an rtl fix
keep only the first 2 letters of the request language

example:
- en_GB becomes en
- ar_DZ becomes ar
Merge branch 'master' of github.com:01walid/alfanous
Merge branch 'master' of github.com:01walid/alfanous
make smaller the right padding  in the header
A fix for the translation menu postion
Merge remote-tracking branch 'upstream/master'