workaround for 1237
Merge branch 'develop-1.7.11' into develop-1.7.12
upgrade to Xtext 2.6.1
ByteArray/Buffer extensions / fixes
fix method name
merging 2.0.0
change library method for Java 1.6 compatibility
back to Java 1.7
remove hazelcast test project
merging 2.0.0 into current