The game will only update and render at a fixed interval (Windows)
Started fixing the timestep on iOS
Moved the update function into the update function on iOS
The check for whether enough time has elapsed is now performed within the engine's update method
Merge branch 'master' into timestep

Conflicts:
	VajraFramework/ExampleGame/XCodeProject/ExampleGame/ExampleGame.xcodeproj/project.pbxproj
Merge branch 'master' into timestep

Conflicts:
	VajraFramework/ExampleGame/XCodeProject/ExampleGame/ExampleGame.xcodeproj/project.pbxproj
Addressing comments on pull request
Merge pull request #52 from VajraFramework/timestep

Timestep