Add second screen corner handlers
Refactor control bar

* Remove secondary control bar
* Redesign control bar UI and transition states
* Add new state handlers
* Refactor animation UX
IDE indentations
Remove unused function params
Add second screen shadow
Control bar position recalculation on full screen
Drop shadow for control bar
Add spinner on secondary screen initial loading
Add helper functions and refactoring
IDE indentation
Refactor transition handlers
Handle baseScreen plugin pre/post display interactions
Fix reserved word for IE browsers
Add browser support for rotate transform
Fix inArray condition
Fix IE8 compatibility issue
Spinner features

* Add validation for adding spinner
* Change parent to allow dragging second screen while spinner is visible
Add CSS support for older IEs
Drop shadow changes

* Change drop shadow DOM position for Safari fix
* Use unified css class for visibility and opacity changes
* Add browser prefix support
* IE8,9 currently not supported
Move css changes to be class based