Releng update against M4 aka I20131212-1600
diff --git a/releng/build-scripts/build/compiler.OT-Compiler.properties b/releng/build-scripts/build/compiler.OT-Compiler.properties
index 0efd907..1158ef8 100644
--- a/releng/build-scripts/build/compiler.OT-Compiler.properties
+++ b/releng/build-scripts/build/compiler.OT-Compiler.properties
@@ -2,9 +2,9 @@
 # This file is read from build/build.xml
 build.compiler=org.eclipse.jdt.core.JDTCompilerAdapter
 compilerArg=-enableJavadoc -encoding ISO-8859-1
-javaSource=1.5
-javacSource=1.5
-javacTarget=1.5
+javaSource=1.6
+javacSource=1.6
+javacTarget=1.6
 javacDebugInfo=true
 javacFailOnError=true
 fetchCacheLocation=/shared/tools/objectteams/gitCache