--add functionality for layoutManager
--add widgets action and alternative layout action to
layoutManager
--remove more functionality that belongs to globalSettings
--when changing layouts/old sessions from the Latte Tasks
Context menu, Latte was crashing very often. Add the switching
code into a Timer to make its execution asynchronoushly
--all the functionality concerning the internal separator
is moved completely into the plasmoid. Now the add/remove
of the internal separator can be found through the Tasks
contextmenu as long as we are in editMode (that is showing
the configuration window)