add last_updated_at and last_updated_at_timestamp to GET projects/lan…

…guages

Merge pull request #6 from onesky/victor/phrase-collections-related

Revise Import Tasks to support Phrase Collections

Merge pull request #5 from onesky/victor/rename-items

Victor/rename items

Merge pull request #4 from onesky/victor/add-item-resource

Add items and item attachments resources

Update README.md