GUI is changed and updated. New dialog added.

Size on text changes on window size change.
Minor bugs fixed.
New dialog added to view files associated with categories.

 Incheckare: marcux <marcux@localhost.localdomain>

 På grenen master
 Ändringar att checka in:

	borttagen:  db/__init__.py
	borttagen:  db/file.py
	ny fil:     db/img/background.xcf
	ny fil:     db/img/catplay.png
	ny fil:     db/img/catplay.xcf
	ny fil:     db/img/minus.png
	ny fil:     db/img/minus.xcf
	ny fil:     db/img/minus_pressed.png
	ny fil:     db/img/minus_pressed.xcf
	ny fil:     db/img/next.png
	ny fil:     db/img/next.xcf
	ny fil:     db/img/next_pressed.png
	ny fil:     db/img/next_pressed.xcf
	ny fil:     db/img/pause.png
	ny fil:     db/img/pause.xcf
	ny fil:     db/img/pause_pressed.png
	ny fil:     db/img/pause_pressed.xcf
	ny fil:     db/img/play.bmp
	ny fil:     db/img/play.png
	ny fil:     db/img/play.xcf
	ny fil:     db/img/play_pressed.png
	ny fil:     db/img/play_pressed.xcf
	ny fil:     db/img/plus.png
	ny fil:     db/img/plus.xcf
	ny fil:     db/img/plus_pressed.png
	ny fil:     db/img/plus_pressed.xcf
	ny fil:     db/img/previous.png
	ny fil:     db/img/previous.xcf
	ny fil:     db/img/previous_pressed.png
	ny fil:     db/img/previous_pressed.xcf
	ny fil:     db/img/stop.png
	ny fil:     db/img/stop.xcf
	ny fil:     db/img/stop_pressed.png
	ny fil:     db/img/stop_pressed.xcf
	ny fil:     filectrl.py
	ny fil:     ui/autoSortListCtrl.py
	ändrad:     ui/categoryDialog.py
	ändrad:     ui/mainWindow.py
	ändrad:     ui/settingsDialog.py
	ny fil:     ui/showCategoryDialog.py