Change SDK/DartEditor versioning scheme to semantic versions.

dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.xml

 <project name="Dart Editor for Eclipse" default="build">
 
     <!-- init -->
     <target name="init">
         <fail message="please create a ${user.name}.properties file in build-settings/ to config this build (see sample.properties)">
             <condition>
                 <not>
                     <available file="build-settings/${user.name}.properties" type="file" />
                 </not>
             </condition>
@@ skipping 11 matching lines @@
         <fail unless="source.dir" message="source.dir property is required"/>
         <fail message="source.dir does not exist: ${source.dir}">
             <condition>
                 <not>
                     <available file="${source.dir}" type="dir" />
                 </not>
             </condition>
         </fail>
 
         <!-- parse the tools/VERSION file into an ant property -->
-        <!-- the format is "MAJOR x\nMINOR x\nBUILD x\nPATCH n" -->
+        <!-- the format is "MAJOR x\nMINOR x\nPATCH n" -->
         <loadproperties srcFile="${source.dir}/../../tools/VERSION">
             <filterchain>
                 <replaceregex pattern=" " replace="="/>
              </filterchain>
         </loadproperties>
-        <property name="dart.version" value="${MAJOR}.${MINOR}.${BUILD}" />
+        <property name="dart.version" value="${MAJOR}.${MINOR}.${PATCH}" />
         <property name="dart.version_revision" value="${dart.version}_${build.revision}" />
         <echo message="Dart version is ${dart.version} (${dart.version_revision})"></echo>
     </target>
 
     <!-- clean -->
     <target name="clean" depends="init">
         <delete dir="${build.dir}/I.build"/>
         <delete dir="${build.dir}/buildRepo"/>
           
         <delete dir="${build.dir}/com.google.dart.eclipse.feature_releng"/>
@@ skipping 97 matching lines @@
         <touch file="${build.dir}/features/com.google.dart.eclipse.feature/feature.xml"/>
         
           <xmlproperty file="${build.dir}/features/com.google.dart.eclipse.feature/feature.xml" collapseAttributes="true"/>
         
         <echo message="replacing @CHANNEL@ in ${build.stage.plugins}/com.google.dart.tools.core/update.properties" />
         <replace dir="${build.dir}/plugins/com.google.dart.tools.core" >
             <include name="update.properties" />
             <replacefilter token="@CHANNEL@" value="${build.channel}" />
         </replace>
 
+        <echo message="replacing @VERSION_QUALIFIER@ in ${build.stage.features}/com.google.dart.eclipse.feature_releng/build.properties" />
+        <replace dir="${build.dir}/features/com.google.dart.eclipse.feature_releng">
+            <include name="build.properties" />
+            <replacefilter token="@VERSION_QUALIFIER@" value="${build.version.qualifier}" />
+        </replace>
+
         <echo message="Dart Editor for Eclipse version ${feature.version}"/>
         <echo message="Building for Eclipse 3.7+"/>
     </target>
     
     <!-- pde_build -->
           <target name="pde_build" depends="setup">
               <mkdir dir="${build.dir}/buildRepo"/>
               
               <!-- invoke PDE -->
         <sequential>
@@ skipping 59 matching lines @@
                 <include name="assemble.com.google.dart.eclipse.*.xml"/>
                 <include name="final*.properties"/>
                 <include name="package.com.google.dart.eclipse.feature.*.xml"/>
             </fileset>
         </delete>
                   
                   <!--zip destfile="${build.dir}/updatesite-${feature.version}.zip" basedir="${build.dir}/buildRepo"/-->
           </target>
         
 </project>