Merge branch 'release/0.5.0'

* release/0.5.0:
  Bump versions.
Bump version.
bundle tinymce translations
Merge pull request #25 from mete0r/bundle-tinymce-langs

bundle tinymce translations
Bump version, add changenote.
Merge branch 'release/0.5.1' into production

* release/0.5.1:
  Bump version, add changenote.
  bundle tinymce translations
  Bump version.