Add the Opportunity to debug the Bullet Physics visually#618

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fodinabor wants to merge 3 commits intoivansafrin:masterfrom

fodinabor:PhysicsDebug

Commits on Feb 15, 2015

Add the Opportunity to debug the Bullet Physics visually. At the moment it only shows the wireframe of the collision shape.
Joachim Meyer
committed

Commits on Feb 16, 2015

Add a function to force an Entity to be rendered setForceRender(). Fix the wireframe to disappear when most of it is out of the camera's display by using this function.
Joachim Meyer
committed

Commits on Mar 10, 2015

Fix up the colors of the drawn lines - they now use Bullets supposed colors.
Joachim Meyer
committed