Added missing translations
Reverted removal of strings in PR #570
Added missing strings to en_US
Added missing es_ES translation & fixed typo
Merge pull request #573 from marcosgdf/translations

Added missing translations
Merge pull request #574 from simnandez/3.3

Fix: Modify Spanish localtax2 to new rate
 Fix: [ bug #662 ] Bad aplication of Localtax2 for suppliers if country
is Spain