l10n: Updated Arabic (ar) translation to 73%
l10n: Updated Arabic (ar) translation to 73%

New status: 283 messages complete with 10 fuzzies and 92 untranslated.

Transmitted-via: Transifex (www.transifex.net).

norayr/unisubs,ReachingOut/unisubs,eloquence/unisubs,norayr/unisubs,ReachingOut/unisubs,norayr/unisubs,ujdhesa/unisubs,pculture/unisubs,wevoice/wesub,eloquence/unisubs,pculture/unisubs,ujdhesa/unisubs,ofer43211/unisubs,eloquence/unisubs,pculture/unisubs,ujdhesa/unisubs,wevoice/wesub,ofer43211/unisubs,ReachingOut/unisubs,ofer43211/unisubs,ofer43211/unisubs,eloquence/unisubs,pculture/unisubs,ujdhesa/unisubs,norayr/unisubs,wevoice/wesub,wevoice/wesub,ReachingOut/unisubs