- trying to separate the Preferences settings from App init and to make them dependent on the self.defaults dictionary
- updated the language strings from the source
- some refactoring
- in a FCColorEntry GUI element, setting a color in the Color dialog will trigger the editingFinished signal therefore propagating the changes
- fixed the issue with factory_defaults being saved every time the app start
- fixed the preferences not being saved to a file when the Save button is pressed in Edit -> Preferences
- fixed and updated the Transform Tools in the Editors