Change SDK/DartEditor versioning scheme to semantic versions.

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

Index: dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.properties
diff --git a/dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.properties b/dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.properties
index 5d484536c7271d3314042c08ab7cbf623c810e5c..d620606713433c5a8b984330bd31d6b983586ad5 100644
--- a/dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.properties
+++ b/dart/editor/tools/features/com.google.dart.eclipse.feature_releng/build.properties
@@ -8,9 +8,9 @@
 # Typical users need only update the following properties:
 #    baseLocation - where things you are building against are installed
 #    bootclasspath - The base jars to compile against (typicaly rt.jar)
-#    configs - the list of {os, ws, arch} configurations to build.  
+#    configs - the list of {os, ws, arch} configurations to build.
 #
-# Of course any of the settings here can be overridden by spec'ing 
+# Of course any of the settings here can be overridden by spec'ing
 # them on the command line (e.g., -DbaseLocation=d:/eclipse
 
 p2.gathering = true
@@ -36,8 +36,8 @@ archivePrefix=eclipse
 # The location underwhich all of the build output will be collected.
 collectingFolder=${archivePrefix}
 
-# The list of {os, ws, arch} configurations to build.  This 
-# value is a '&' separated list of ',' separate triples.  For example, 
+# The list of {os, ws, arch} configurations to build.  This
+# value is a '&' separated list of ',' separate triples.  For example,
 #     configs=win32,win32,x86 & linux,motif,x86
 # By default the value is *,*,*
 configs = *, *, *
@@ -88,7 +88,7 @@ allowBinaryCycles = true
 #parallelCompilation=true
 #parallelThreadCount=
 #parallelThreadsPerProcessor=
-	
+
 #Set to true if you want the output to be ready for an update jar (no site.xml generated)
 #outputUpdateJars = false
 
@@ -170,15 +170,15 @@ buildLabel=${buildType}.${buildId}
 timestamp=007
 
 #The value to be used for the qualifier of a plugin or feature when you want to override the value computed by pde.
-#The value will only be applied to plugin or features indicating build.properties, qualifier = context 
-forceContextQualifier=r${build.revision}
+#The value will only be applied to plugin or features indicating build.properties, qualifier = context
+forceContextQualifier=@VERSION_QUALIFIER@
 
-#Enable / disable the generation of a suffix for the features that use .qualifier. 
-#The generated suffix is computed according to the content of the feature   
+#Enable / disable the generation of a suffix for the features that use .qualifier.
+#The generated suffix is computed according to the content of the feature
 #generateFeatureVersionSuffix=true
 
 ############# BASE CONTROL #############
-# Settings for the base Eclipse components and Java class libraries 
+# Settings for the base Eclipse components and Java class libraries
 # against which you are building.
 # Base location for anything the build needs to compile against.  For example,
 # in most RCP app or a plug-in,  the baseLocation should be the location of a previously
@@ -204,7 +204,7 @@ filteredDependencyCheck=false
 resolution.devMode=false
 
 #pluginPath is a list of locations in which to find plugins and features.  This list is separated by the platform file separator (; or :)
-#a location is one of:  
+#a location is one of:
 #- the location of the jar or folder that is the plugin or feature : /path/to/foo.jar or /path/to/foo
 #- a directory that contains a /plugins or /features subdirectory
 #- the location of a feature.xml, or for 2.1 style plugins, the plugin.xml or fragment.xml