- made sure the the GUI settings are cleared on each new install
- added a new signal that is triggered by change in visibility for the Shell Dock and will change the status of the shell label in the status bar. In this way the label will really be changed each time the shell is toggled
- Tool Isolation - added a GUI element to control if the isolation of a polygon, when done with rest, should be done with the current tool even if its interiors (holes in it) could not be isolated or to be left for the next tool
- updated all the translation strings to the latest changes
- Tool Isolation - new feature that allow to isolate interiors of polygons (holes in polygons). It is possible that the isolation to be reported as successful (internal limitations) but some interiors to not be isolated. This way the user get to fix the isolation by doing an extra isolation.
- 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