Alpha Build 139d: UI stuff is so boring...

Added Fornite and Overwatch sensitivity.
Added horizontal FOV to options.
Allow zoom FOV to be lowered down to 10.
Fixed so use relative zoom sensitivity updates the UI, and only show the right setting.
Fixed so you can change Brightness, Saturation, and Constrast in intervals of 0.1.
Fixed bug where Inverted Vertical wasn't applied on startup.
Added "Reset" keybinding to options.
Fixed bug where "quake hit" had 54ms of silence before it played the sound.
Fixed so player is centered correctly in 360 tracking room.
Fixed reaction room leaderboard was sorted in the wrong order.