- themes: move user-themes to /var/tuxbox/themes ...

... because the other user-stuff (icons, locale, plugins) is also
stored in /var/tuxbox.
The directory /var/share/tuxbox/neutrino/themes will be removed.
The parent directories should now be obsolete and can be removed too.

src/gui/themes.h

@@ -44,6 +44,7 @@ class CThemes : public CMenuTarget, CChangeObserver
 		void saveFile(char* themename);
 		void readThemes(CMenuWidget &);
 		void rememberOldTheme(bool remember);
+		void move_userDir();
 
 	public:
 		CThemes();