Added more translations from launchpad, fixes #216

Added the following languages to Remmina:
Arabic, Asturian, Bengali, Bosnian, Catalan of Valencia, English (Australia),
English (UK), Estonian, Finnish, Galician, Hebrew, Croatian, Japanese,
Khmer, Kannada, Korean, Latvian, Malay, Burmese, Norwegian Bokmal,
Occitan (post 1500), Portuguese, Romanian, Shan, Sinhalese, Slovenian,
Albanian, Serbian, Teleugu, Uyghur, Chinese