Add field to record plural type (issue #205)
Simplify locale cleanup code
Remove not needed parenthesis from plural forms
Prefill plural type field in migration (issue #205)
Prefill plural type field in setup (issue #205)
Fix spacing
Do not fail on uknown plural type
Move plural definitions out of class (issue #205)
Fix typo
MoAdd better plural form descriptions (issue #205)
Update po files