l10n

ar: changes.t2t
ar: gestures.ini
de: changes.t2t
ga: nvda.po
ne: nvda.po
ta: nvda.po
pt_BR: changes.t2t
pt_PT: changes.t2t

From translation svn rev:9990
l10n (Gaeilge ga):

symbols.dic
From translation svn rev:9992.
l10n (Gaeilge, Tamil):

nvda.po
From translation svn rev:9996
Merge branch 'release-2013.1' of git://git.nvaccess.org/nvda into release-2013.1jp
update document regarding nvdajp ti31592