mark compiler as 2.1.0 M1
diff --git a/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties b/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties
index 677f236..30c0ce8 100644
--- a/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties
+++ b/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties
@@ -6,7 +6,7 @@
 
 ###{ObjectTeams:
 otdtc.name = Extension for Object Teams
-otdtc.version = 2.0.1 $LastChangedRevision$ $LastChangedDate$
+otdtc.version = 2.1.0 M1 $LastChangedRevision$ $LastChangedDate$
 otdtc.copyright = Copyright by TU Berlin, Fraunhofer FIRST and others, 2004, 2011.
 ### SH}
 ### progress