Tweaked EN language file layouts
Added BG language files
Added NB language files
Tweaked IT language files
Updated Readme
Tweak to BG language files.
Allow for submission of custom group permissions
Translation for  Brazilian Portuguese / pt-BR
Merge pull request #59 from eliasrodrigues/master

Translation for  Brazilian Portuguese / pt-BR
Update composer.json
Add Config option for custom user table validation
Change name of additional fields config element
Allow User Repo to set custom user table fields, via config option
Switch to explicit routing for User methods
Add 'create' method for admins creating new user accounts
Update config calls in User Repo
Use config option to determine if new users should be automatically activated.
Add name for users/add route
New language strings for user activation options
Updated pt-BR language files