--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)
--expose the functionality through the configuration
window. The user can choose no latte type internal
active applets indicators, only show to latte internal
applets and show at all applets
-- the user can choose this behavior from the Tweaks page,
the panel background in shown only when there is maximized
window and it is fully transparent otherwise