Whitespace changes, to untabify Ant files.

No review (per Scottb), but svn diff -x -w shows no non-whitespace
differences.

Identical scripting used here and in gwt1.5, so the merge shouldn't be 
painful.  If it is, I'm sure it will find its way to me, which is fine and 
as it should be. ;-)

 --This line, and those below, will be ignored--

M    jni/linux/build.xml
M    jni/mac/build.xml
M    jni/windows/build.xml
M    jni/build.xml
M    tools/benchmark-viewer/build.xml
M    tools/api-checker/build.xml
M    tools/build.xml
M    distro-source/linux/build.xml
M    distro-source/mac/build.xml
M    distro-source/common.ant.xml
M    distro-source/windows/build.xml
M    distro-source/build.xml
M    samples/i18n/build.xml
M    samples/mail/build.xml
M    samples/dynatable/build.xml
M    samples/hello/build.xml
M    samples/common.ant.xml
M    samples/json/build.xml
M    samples/simplexml/build.xml
M    samples/showcase/build.xml
M    samples/simplerpc/build.xml
M    samples/build.xml
M    servlet/build.xml
M    doc/build.xml
M    platforms.ant.xml
M    common.ant.xml
M    build-tools/ant-gwt/build.xml
M    build-tools/doctool/build.xml
M    build-tools/customchecks/build.xml
M    build-tools/build.xml
M    dev/linux/build.xml
M    dev/mac/build.xml
M    dev/core/build.xml
M    dev/common.ant.xml
M    dev/windows/build.xml
M    dev/build.xml
M    user/build.xml
M    build.xml


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@3558 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/build-tools/ant-gwt/build.xml b/build-tools/ant-gwt/build.xml
index 43c0f27..e4c986d 100644
--- a/build-tools/ant-gwt/build.xml
+++ b/build-tools/ant-gwt/build.xml
@@ -1,34 +1,34 @@
 <project name="ant-gwt" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="build-tools/ant-gwt" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="build-tools/ant-gwt" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<target name="compile" description="Compiles this project">
-		<mkdir dir="${javac.out}" />
-		<gwt.javac>
-			<classpath>
-				<pathelement location="${gwt.tools.lib}/apache/ant-1.6.5.jar" />
-			</classpath>
-		</gwt.javac>
-	</target>
+  <target name="compile" description="Compiles this project">
+    <mkdir dir="${javac.out}" />
+    <gwt.javac>
+      <classpath>
+        <pathelement location="${gwt.tools.lib}/apache/ant-1.6.5.jar" />
+      </classpath>
+    </gwt.javac>
+  </target>
 
-	<target name="build" depends="compile" description="Packages this project into a jar">
-		<mkdir dir="${gwt.build.lib}" />
-		<gwt.jar destfile="${gwt.build.lib}/${ant.project.name}.jar">
-			<fileset dir="src" />
-			<fileset dir="${javac.out}" />
-		</gwt.jar>
-	</target>
+  <target name="build" depends="compile" description="Packages this project into a jar">
+    <mkdir dir="${gwt.build.lib}" />
+    <gwt.jar destfile="${gwt.build.lib}/${ant.project.name}.jar">
+      <fileset dir="src" />
+      <fileset dir="${javac.out}" />
+    </gwt.jar>
+  </target>
 
-	<target name="checkstyle" description="Static analysis of source">
-		<gwt.checkstyle>
-			<fileset dir="src" />
-		</gwt.checkstyle>
-	</target>
+  <target name="checkstyle" description="Static analysis of source">
+    <gwt.checkstyle>
+      <fileset dir="src" />
+    </gwt.checkstyle>
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" />
-		<delete file="${project.lib}" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" />
+    <delete file="${project.lib}" />
+  </target>
 
 </project>
diff --git a/build-tools/build.xml b/build-tools/build.xml
index e16d42c..f81b120 100644
--- a/build-tools/build.xml
+++ b/build-tools/build.xml
@@ -1,40 +1,40 @@
 <project name="buildtools" default="build" basedir=".">
-	<property name="gwt.root" location=".." />
-	<property name="project.tail" value="build-tools" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location=".." />
+  <property name="project.tail" value="build-tools" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<!-- "build" is the default when subprojects are directly targetted -->
-	<property name="target" value="build" />
+  <!-- "build" is the default when subprojects are directly targetted -->
+  <property name="target" value="build" />
 
-	<target name="ant-gwt" description="Builds GWT specific Ant extensions">
-		<gwt.ant dir="ant-gwt" />
-	</target>
+  <target name="ant-gwt" description="Builds GWT specific Ant extensions">
+    <gwt.ant dir="ant-gwt" />
+  </target>
 
-	<target name="customchecks" description="Build the checkstyle extensions">
-		<gwt.ant dir="customchecks" />
-	</target>
-	
-	<target name="doctool" description="Build the doctool">
-		<gwt.ant dir="doctool" />
-	</target>
+  <target name="customchecks" description="Build the checkstyle extensions">
+    <gwt.ant dir="customchecks" />
+  </target>
+  
+  <target name="doctool" description="Build the doctool">
+    <gwt.ant dir="doctool" />
+  </target>
 
-	<target name="-do" depends="ant-gwt, customchecks, doctool" description="Run all subprojects"/>
-	
-	<target name="build" description="Builds GWT">
-		<antcall target="-do">
-			<param name="target" value="build" />
-		</antcall>
-	</target>
+  <target name="-do" depends="ant-gwt, customchecks, doctool" description="Run all subprojects"/>
+  
+  <target name="build" description="Builds GWT">
+    <antcall target="-do">
+      <param name="target" value="build" />
+    </antcall>
+  </target>
 
-	<target name="checkstyle" depends="build" description="Static analysis of GWT source">
-		<antcall target="-do">
-			<param name="target" value="checkstyle" />
-		</antcall>
-	</target>
+  <target name="checkstyle" depends="build" description="Static analysis of GWT source">
+    <antcall target="-do">
+      <param name="target" value="checkstyle" />
+    </antcall>
+  </target>
 
-	<target name="test" depends="build" description="Test GWT">
-		<antcall target="-do">
-			<param name="target" value="test" />
-		</antcall>
-	</target>
+  <target name="test" depends="build" description="Test GWT">
+    <antcall target="-do">
+      <param name="target" value="test" />
+    </antcall>
+  </target>
 </project>
diff --git a/build-tools/customchecks/build.xml b/build-tools/customchecks/build.xml
index 0e3a2f4..f929b2d 100644
--- a/build-tools/customchecks/build.xml
+++ b/build-tools/customchecks/build.xml
@@ -1,32 +1,32 @@
 <project name="customchecks" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="build-tools/customchecks" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="build-tools/customchecks" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<target name="compile" description="Compiles this project">
-		<mkdir dir="${javac.out}" />
-		<gwt.javac>
-			<classpath>
-				<pathelement location="${gwt.tools.antlib}/checkstyle-all-4.2.jar" />
-			</classpath>
-		</gwt.javac>
-	</target>
+  <target name="compile" description="Compiles this project">
+    <mkdir dir="${javac.out}" />
+    <gwt.javac>
+      <classpath>
+        <pathelement location="${gwt.tools.antlib}/checkstyle-all-4.2.jar" />
+      </classpath>
+    </gwt.javac>
+  </target>
 
-	<target name="build" depends="compile" description="Packages this project into a jar">
-		<mkdir dir="${gwt.build.lib}" />
-		<gwt.jar>
-			<fileset dir="src" />
-			<fileset dir="${javac.out}" />
-		</gwt.jar>
-	</target>
+  <target name="build" depends="compile" description="Packages this project into a jar">
+    <mkdir dir="${gwt.build.lib}" />
+    <gwt.jar>
+      <fileset dir="src" />
+      <fileset dir="${javac.out}" />
+    </gwt.jar>
+  </target>
 
-	<target name="checkstyle">
-		<!-- NOTE: This project doesn't have the checkstyle rule since it participates in bootstrapping. -->
-	</target>
+  <target name="checkstyle">
+    <!-- NOTE: This project doesn't have the checkstyle rule since it participates in bootstrapping. -->
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" />
-		<delete file="${project.lib}" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" />
+    <delete file="${project.lib}" />
+  </target>
 
 </project>
diff --git a/build-tools/doctool/build.xml b/build-tools/doctool/build.xml
index e256c30..bc9cbbd 100644
--- a/build-tools/doctool/build.xml
+++ b/build-tools/doctool/build.xml
@@ -1,36 +1,36 @@
 <project name="doctool" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="build-tools/doctool" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="build-tools/doctool" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<property.ensure name="java.tools.path" location="${java.home}/../lib/tools.jar" unless="build.host.ismac" message="Cannot find ${java.home}/../lib/tools.jar; please use a JDK when building doc rather than a JRE." />
+  <property.ensure name="java.tools.path" location="${java.home}/../lib/tools.jar" unless="build.host.ismac" message="Cannot find ${java.home}/../lib/tools.jar; please use a JDK when building doc rather than a JRE." />
 
-	<target name="compile" description="Compiles this project">
-		<mkdir dir="${javac.out}" />
-		<gwt.javac>
-			<classpath>
-				<pathelement location="${java.tools.path}" />
-			</classpath>
-		</gwt.javac>
-	</target>
+  <target name="compile" description="Compiles this project">
+    <mkdir dir="${javac.out}" />
+    <gwt.javac>
+      <classpath>
+        <pathelement location="${java.tools.path}" />
+      </classpath>
+    </gwt.javac>
+  </target>
 
-	<target name="build" depends="compile" description="Packages this project into a jar">
-		<mkdir dir="${gwt.build.lib}" />
-		<gwt.jar>
-			<fileset dir="src" />
-			<fileset dir="${javac.out}" />
-		</gwt.jar>
-	</target>
+  <target name="build" depends="compile" description="Packages this project into a jar">
+    <mkdir dir="${gwt.build.lib}" />
+    <gwt.jar>
+      <fileset dir="src" />
+      <fileset dir="${javac.out}" />
+    </gwt.jar>
+  </target>
 
-	<target name="checkstyle" description="Static analysis of source">
-		<gwt.checkstyle>
-			<fileset dir="src" />
-		</gwt.checkstyle>
-	</target>
+  <target name="checkstyle" description="Static analysis of source">
+    <gwt.checkstyle>
+      <fileset dir="src" />
+    </gwt.checkstyle>
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" />
-		<delete file="${project.lib}" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" />
+    <delete file="${project.lib}" />
+  </target>
 
 </project>