Add Grunt files to gitignore
New pot for v2.1.2
Add tx config file
Add Grunt Workflow
Merge remote-tracking branch 'upstream/master'

Conflicts:
	languages/edd.pot
[i18n]> update pot and 91 languages files from Transifex
[i18n] Add de_AT
[i18n]> Remove lv_LV cause not used it's lv instead
Merge pull request #2584 from fxbenard/master

[i18n] > update for 2.1.2