Initial commit for the new perspective controller
Reverted search by perspectives
Removed direct access for perspectives. Reverted switcher for radios. Fixed context menu for "my radio"
Added analytics for perspectives. Code has been cleaned
Added "not available" state to the perspectives. Fixed tabhelper direct access.
Merge branch 'new-perspectives' into origin/gtk3

Conflicts:
	foobnix/gui/base_controls.py
	foobnix/gui/treeview/dragdrop_tree.py
	foobnix/gui/treeview/navigation_tree.py
Merged with new-perspectives