Code maintenance for Qt 5:
- Added some more includes needed by MinGW-w64 for GXS

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6874 b45a01b8-16f6-495d-af2f-9b41ad6348cc
Updated languages from Transifex

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6875 b45a01b8-16f6-495d-af2f-9b41ad6348cc