Rename es-la.po to es-mx.po
Update translations.json

es-la to es-mx (iso-639)
Merge pull request #347 from Allmoz/development

changed es-la to es-mx (iso 693 does not have a location for latinoamerica )
Updating translations (de, en, es, fr, he, pt-br)
Removing junk from .po files
Norsk translation; es-mx renamed to es-419
translations.json formatting
Translation: Russian
Update master version number
Update development version number