lcl: add support for rsj translation files

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43744 4005530d-fff6-0310-9dd1-cebe43e6787f
ide + tools: support rsj files

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43745 4005530d-fff6-0310-9dd1-cebe43e6787f