Update grappelli version.
Update translations from transifex
Merge latest changes from Steve
Update translation files for the latest revision
Rename sr@latin locale folders to sr_Latn

--HG--
rename : mezzanine/accounts/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/accounts/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/accounts/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/accounts/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/blog/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/blog/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/blog/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/blog/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/conf/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/conf/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/conf/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/conf/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/core/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/core/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/core/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/core/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/forms/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/forms/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/forms/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/forms/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/galleries/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/galleries/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/galleries/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/galleries/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/generic/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/generic/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/generic/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/generic/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/mobile/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/mobile/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/mobile/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/mobile/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/pages/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/pages/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/pages/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/pages/locale/sr_Latn/LC_MESSAGES/django.po
rename : mezzanine/twitter/locale/sr@latin/LC_MESSAGES/django.mo => mezzanine/twitter/locale/sr_Latn/LC_MESSAGES/django.mo
rename : mezzanine/twitter/locale/sr@latin/LC_MESSAGES/django.po => mezzanine/twitter/locale/sr_Latn/LC_MESSAGES/django.po
Add language mapping in transifex configuration to fix sr@latin locale folder names
Minor fix in blog sr@latin po file
Minor fix in forms sr@latin po file
Update translations for latest revision and add new languages from transifex
Reprocess .mo translation files
Merge