Merge pull request #3 from thehutch/master

OpenGL support
Finish support for OpenGL20 rendering

Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Merge branch 'gl20'
Update for Caustic changes and test textures

Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Fix NPE on remove, add initial throw method.

Math lib needs a getDirection @DDoSQc so I can tell which way the camera
is facing. More to come in the future.

Signed-off-by: Chris Sanders <zidane@outlook.com>
Fixed NPE when removing null body
- Added util method to convert react quaternion to math one
- Moved delete and spawn controls to the mouse buttons
Signed-off-by:thehutch <th3hutch@yahoo.co.uk>