Merge pull request #9 from vinkla/develop

Add save, update and fill methods to the trait.
Merge branch 'master' of github.com:vinkla/translator

* 'master' of github.com:vinkla/translator:
If locale is null when creating a new instance use fallback.
Bump version number.
Add a short overview of the strengths of this package.
Update example in readme.
Add link to blog post.
Add ArticleTranslation example.
Add better copy.
Add locales migration. Closing #10.
Remove text from the documentation.
Add better headings.