Enables interface translation feature directly in Orchard's admin panels instead of .po files
Folked from Q42/Orchard-DbTranslations...
- Work with Orchard 1.7
- Import -> Generate From Source will exclude the _Backup folder, which was used by Orchard to store old versions of modules (just ignore if the name exists in the path, so may work with Themes, not verified yet)
- Import -> Generate from source: added options to generate from a specific module or theme