Revert "Update ASM to 6.1.1 for maven build."

This reverts commit fa41a03a93b74ead4ef2f93fff6c1d5bc9ede47f.

Reason for revert: There's no asm-parent for 6.1.1.

Change-Id: I35b2685b6b9ad7d8c5a0b272c953eac93c3c5c94
diff --git a/eclipse/user/.classpath b/eclipse/user/.classpath
index f5d31b2..9f7b4c6 100644
--- a/eclipse/user/.classpath
+++ b/eclipse/user/.classpath
@@ -63,8 +63,8 @@
 	<classpathentry kind="var" path="GWT_TOOLS/lib/jscomp/20160315/sourcemap-rebased.jar"/>
 	<classpathentry kind="var" path="GWT_TOOLS/lib/eclipse/org.eclipse.jdt.core_3.13.102-CUSTOM-GWT-20180415.jar"/>
 	<classpathentry kind="var" path="GWT_TOOLS/lib/eclipse/jdtCompilerAdapter_3.13.102-CUSTOM-GWT-20180415.jar"/>
-	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.1.1/asm-6.1.1.jar"/>
-	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.1.1/asm-analysis-6.1.1.jar"/>
-	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.1.1/asm-commons-6.1.1.jar"/>
+	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.0/asm-6.0.jar"/>
+	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.0/asm-analysis-6.0.jar"/>
+	<classpathentry kind="var" path="GWT_TOOLS/lib/objectweb/asm-6.0/asm-commons-6.0.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/maven/poms/gwt/pom-template.xml b/maven/poms/gwt/pom-template.xml
index a525871..e0ba652 100644
--- a/maven/poms/gwt/pom-template.xml
+++ b/maven/poms/gwt/pom-template.xml
@@ -89,7 +89,7 @@
             <dependency>
                 <groupId>org.ow2.asm</groupId>
                 <artifactId>asm-parent</artifactId>
-                <version>6.1.1</version>
+                <version>6.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>