Ability to add new languages of compendium
Add chosen for better select elements
Add language chooser to edit screen
Don't show language options when creating new compendium.
Show language options when adding a new language version.
DRY-ify template and remove unused code
Remove unused parameter 'lang' when saving new language
Hide languages that are already in use
Merge pull request #115 from stianjensen/add_language

Add language