refactoring panels
completed refactoring, added events for clicks
completed US03 tasks
fixing navigation issues, refactored some extra code.
including missing icons and filter navgation trought parent folder.
refactoring to meet standards
removing pyc files as part of refactoring for code standards, added also a gitignore line to avoid future commit of these files.
Addign more refactoring, to meet code standards, it is still pending refactoring for panel tree view class
Final refactoring, all files should now meet standards
last moment change, found out that it is much better having dialog package out of window package
Merge pull request #2 from jafi666/US03-JG

Pulling Us03 jg