Fixed some bugs:
- Hide soft deleted user maps
- Can rotate blocks in flat mode
- Swapped map browser page buttons
- Out of bounds error on map browser
- Null ref when removing headset
- Show average rating for maps
- Show owned DLC
- Hide timer when there is no start / end point
- Stop gravity when there is no start / end point
- Removed all calls to Input class
- Mouse wheel lets you push blocks in flat mode