No functional changes:
Removes all remaining unchecked warnings
Automatically adds some @Override

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1551207 13f79535-47bb-0310-9956-ffa450edef68
Removes nl labels which are actually duplicates of en. 
Those were introduced (as wrong C/P I guess) at r732423

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1551460 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' into labelstats