disabled deleting children in components on destruction

--they were creating a kwin crash on log out.
improved responsiveness for button in the panel
improve hover appearance in panel

--changed a bit settings for minimumWidth,..
this probably fixes issue #71
IMPORTANT CHANGE: Virtual Desktops are not forced to follow Workareas

--fixes a very serious bug that was not found in some
cases.... Deleting some workareas or renaming them
didnt made the needed changes in storing
removed unnecessary file
fixed small issues with new workareas behavior

--deleted some debug messages
fixed a path
fix small issues in appearance
improve workareas appearance on filtering windows