Updated CG Cookie Theme

Misc tweaks and improvements.

Signed-off-by: Jonathan Williamson <jonathan@cgcookie.com>
Added New Options to Object and Sculpt Menus

OBJECT MENU:
- Added Apply All modifiers

SCULPT MENU:
- Added "Enable Dynamic Topology"
- Added "Collapse Short Edges"

Signed-off-by: Jonathan Williamson <jonathan@cgcookie.com>