Imported rs-base as the new racesow hud

Signed-off-by: Gerco van Heerdt <gercovanheerdt@gmail.com>
Made cg_strafeHUD a bitflag
Prepared the acceleration bar
Added cg_strafeHUD bitmask documentation
cg_showSpeed kinda makes sense now
Merge pull request #1 from hettoo/racesow07-mgx

HUD changes