Update zend.i18n.translating.rst

Removed TMX and Xliff as ZF2 does not support these types. Added missing INI support.
Merge branch 'hotfix/990'

Close #990
Merge pull request #991 from diemuzi/patch-2

Update zend.i18n.translating.rst
Merge branch 'hotfix/991' into develop

Forward port #991