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/jni/build.xml b/jni/build.xml
index 147493b..1f08cdf 100755
--- a/jni/build.xml
+++ b/jni/build.xml
@@ -1,5 +1,5 @@
 <project name="jni" default="build" basedir=".">
-	<property name="gwt.root" location=".." />
-	<property name="project.tail" value="jni" />
-	<import file="${gwt.root}/platforms.ant.xml" />
+  <property name="gwt.root" location=".." />
+  <property name="project.tail" value="jni" />
+  <import file="${gwt.root}/platforms.ant.xml" />
 </project>
diff --git a/jni/linux/build.xml b/jni/linux/build.xml
index 2bd2a20..5f0db6b 100755
--- a/jni/linux/build.xml
+++ b/jni/linux/build.xml
@@ -1,18 +1,18 @@
 <project name="jni-linux" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="jni/linux" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="jni/linux" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<target name="build" description="Builds a JNI lib">
-		<mkdir dir="${project.jni}" />
-		<!-- TODO: Actually build this from source! -->
-		<copy todir="${project.jni}">
-			<fileset dir="prebuilt" />
-		</copy>
-	</target>
+  <target name="build" description="Builds a JNI lib">
+    <mkdir dir="${project.jni}" />
+    <!-- TODO: Actually build this from source! -->
+    <copy todir="${project.jni}">
+      <fileset dir="prebuilt" />
+    </copy>
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" failonerror="false" />
-		<delete dir="${project.jni}" failonerror="false" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" failonerror="false" />
+    <delete dir="${project.jni}" failonerror="false" />
+  </target>
 </project>
diff --git a/jni/mac/build.xml b/jni/mac/build.xml
index 2bb1631..66b6580 100755
--- a/jni/mac/build.xml
+++ b/jni/mac/build.xml
@@ -1,18 +1,18 @@
 <project name="jni-mac" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="jni/mac" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="jni/mac" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<target name="build" description="Builds a JNI lib">
-		<mkdir dir="${project.jni}" />
-		<!-- TODO: Actually build this from source! -->
-		<copy todir="${project.jni}">
-			<fileset dir="prebuilt" />
-		</copy>
-	</target>
+  <target name="build" description="Builds a JNI lib">
+    <mkdir dir="${project.jni}" />
+    <!-- TODO: Actually build this from source! -->
+    <copy todir="${project.jni}">
+      <fileset dir="prebuilt" />
+    </copy>
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" failonerror="false" />
-		<delete dir="${project.jni}" failonerror="false" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" failonerror="false" />
+    <delete dir="${project.jni}" failonerror="false" />
+  </target>
 </project>
diff --git a/jni/windows/build.xml b/jni/windows/build.xml
index a97d383..f5951cf 100755
--- a/jni/windows/build.xml
+++ b/jni/windows/build.xml
@@ -1,18 +1,18 @@
 <project name="jni-windows" default="build" basedir=".">
-	<property name="gwt.root" location="../.." />
-	<property name="project.tail" value="jni/windows" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location="../.." />
+  <property name="project.tail" value="jni/windows" />
+  <import file="${gwt.root}/common.ant.xml" />
 
-	<target name="build" description="Builds a JNI lib">
-		<mkdir dir="${project.jni}" />
-		<!-- TODO: Actually build this from source! -->
-		<copy todir="${project.jni}">
-			<fileset dir="prebuilt" />
-		</copy>
-	</target>
+  <target name="build" description="Builds a JNI lib">
+    <mkdir dir="${project.jni}" />
+    <!-- TODO: Actually build this from source! -->
+    <copy todir="${project.jni}">
+      <fileset dir="prebuilt" />
+    </copy>
+  </target>
 
-	<target name="clean" description="Cleans this project's intermediate and output files">
-		<delete dir="${project.build}" failonerror="false" />
-		<delete dir="${project.jni}" failonerror="false" />
-	</target>
+  <target name="clean" description="Cleans this project's intermediate and output files">
+    <delete dir="${project.build}" failonerror="false" />
+    <delete dir="${project.jni}" failonerror="false" />
+  </target>
 </project>