Remove unused and deprecated imports
Fix for deprecated ApplicationHolder.getApplication, based on
jira GPLOCALIZATIONS-1
Unused imports removed
Use a withLocalization method to cleanup double code
Allow blank string as localization text
Move code for converting file name to locale to separate method
Improve import speed a lot by not persisting the
object immediately
Let the constraints do the validation on the text field
Merge pull request #3 from MGotink/master

Import speed improvements and fix some deprecated import