Bug fixes + improvements

-Weapon handedness now renders correctly
-Crosshair now works with weapon handedness
-Added vr_viewmove to allow moving along view direction instead of aim
direction
-Minor improvement to how orientation is read from HMD
Fix for improper view offset
Improvements

-No longer pauses for console or menu when HMD support is enabled
-Add support for HUD counter-rotation to mitigate nausea from menus
-Adds vr_hud_bounce to scale bounce effect
-Adds vr_hud_bounce_falloff to set the approximate number of frames the
EMA falls off over
-Adds vr_fov_scale to allow manual adjustment of calculated FOV
-Escape properly cancels cinematics
Version 1.1