Send modified keystrokes separately from their unmodified versions
(eg, if you press shift+p you now get only one event for shift+p, and no event for p)
Improved render composition system to allow easy render path creation using this.createRenderPath()
Support for multiple render modes ('main', 'oculus', ...)
Added bloom filter option
Added bloom pass shader
Added oculus rift support files
Keep track of active framebuffer for easy read-back
Added 'collidable' and 'angularacceleration' args to elation.engine.things.generic