Fixes NPE when closing before initializing TransitionManager.
MeshHelper frees all resources when it's no longer needed.
Method to convert cm to screen pixels
Typo: builUI -> buildUI
Base panel for navigation and contextual panel
Navigation and selection context panel
Base view that puts everything together
BaseView test
Merge pull request #812 from RotaruDan/npeFix

Fixes NPE when closing before initializing TransitionManager.
Renamed cmToPixels
Renaming
Merge pull request #814 from anserran/glass

Added base view to support new layout structure
Changed MultiHorizontalToolbar animation.
Now the IconWithPanel has a checkable skin by default.
Added MultiToolbar style
Removed unused tests of the old interface.
Renamed HorizontalToolbar and changed for the old Toolbar.
Changed the old MultiHorizontalToolbar animation and renamed by MultiToolbar.
Changed EditionView (deleted bottom toolbar and introduced BaseView)
Minor fixes