Added @Override annotations to Xtext code generation templates

Signed-off-by: Miro Spönemann <miro.spoenemann@itemis.de>
Merge "Added @Override annotations to Xtext code generation templates"
[javaconverter] Refactoring - moved to javaconverter package 

Change-Id: I6a90f7c7da55a1e6388a71e506399bc9b17b958e
Merge "[javaconverter] Refactoring - moved to javaconverter package "