Add support for x86_64 cross compiling in Travis CI
Don't install libvorbis-dev on Travis

The in-tree copy of vorbis is used. No reason to install the package anymore.
Merge branch 'features/add-x86_64-travis-ci-support' of github.com:xhairball/ioq3
Fix always switching back to mgun in Q3 controls menu

Caused by 120e296a74b0317f29d7f516d904bdc70f71b006.
Fix Gauntlet barrel axis in UI

UI's PositionRotatedEntityOnTag is different than CGame's and
UI has switched pitch/roll for Gauntlet/BFG axis to get it to
look like /close to/ how it looks in CGame.

Making UI use the same *PositionRotatedEntityOnTag and axis as
CGame fixes the Gauntlet blade being wobbly in controls menu.
spearmint: Move key catcher to CGame VM
spearmint: Fix loading map during cinematic loading mouse state

Loading a map during cinematic caused mouse state to be cleared.
CL_Shutdown is called after loading cgame.
Lost ability to move view using mouse.
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	.travis.yml
	code/q3_ui/ui_controls2.c
	code/q3_ui/ui_players.c
	code/ui/ui_players.c
	travis-ci-build.sh