Merge pull request #36 from fcsonline/avoid-extra-count

Avoid extra call for phrases without translation
Update safe_yaml to 0.8.5, this version should be faster
Merge pull request #37 from fcsonline/fix-pt-br

Fixed Portuguese Brazilian locale code
Merge pull request #38 from fcsonline/stats-endpoint

Statistics endpoint
Merge pull request #39 from fcsonline/feature/interpolation-validations

Interpolation validations
Avoid lose data checking dirty fields
Avoid lose data after copy value action
Don't check dirty fields on apply changes button