Testing out autobuild stuff.

(cherry picked from commit a90a52c6a6e9416d071990ef23f99e96a53b6ff0)
Fixed the auto build, for details go here: https://travis-ci.org/ioquake/ioq3

(cherry picked from commit 8e5bf01bcc4f3dd39d9330659d3289501673c1c3)
updated travis file to notify us in our lonely IRC outpost of love.

(cherry picked from commit 9d7336355106ef424e07c3b3e51cab4249aae957)
Simplify RE_StretchRaw() with RE_UploadCinematic() and RB_InstantQuad2().

(cherry picked from commit 027af8e6cc38bf6baeaeea8aa5bbc0f877c3f4c2)
Some minor cleanup.

(cherry picked from commit fbe56e4fa11e663b16a6b217ebebe32bb19b980e)
autobuild: Enable Ogg Vorbis, Freetype, and MDR model support

Removed unneeded SDL packages.

(cherry picked from commit 166c4172047bacadf613e560a3b971f18dd36202)
autobuild: test default build, with extra options, and mingw

(cherry picked from commit 4e5b84fe8f458763452cae9b75d2508a804bd51e)
autobuild: try to fix extra options build and mingw builds

(cherry picked from commit 361c71f8afb4bd50b75bcdc84ceee1faaa2cddc8)
Fix RAVENMD4 warnings in OpenGL2

(cherry picked from commit a737d442a0130e91184819bebf9f58bf1c48bb2a)
Improve build-test.sh for non-travis-ci usage

(cherry picked from commit 97fc98d26b61b5f79e32963405f795e21bb4e3a4)
build-test.sh always run clean first, for non-travis-ci

(cherry picked from commit a0f74366a7477d822c640931cf3a918549b2f6c8)
Use the mingw fork that gets maintained

(cherry picked from commit 8b38503ba56ec16d4da9ede2af43e529e5db45e6)
Use -q instead of -qq on apt-get

(cherry picked from commit eeb088dd3c1230f5e3e599f01feec89cedae1d3b)
One last try...

(cherry picked from commit d044cd80f725b268befbf4b0caa190022b08d0df)
Fix clampmapped images being always treated as sRGB.

(cherry picked from commit e6e0d4709928be2b57785a759739472de3cc544f)
Only spam IRC on failure

(cherry picked from commit c3b39789293ba62f089a2f5986a700a355b432a1)
Fix origin returned by IQM's LerpTag

It use to return pose joint's offset from base at the lerped frame, now it returns the joint's origin at the lerped frame.

Patch by Axel Isouard and Zack Middleton.

(cherry picked from commit 8aa6efe7b692300ff5623b46f15d0c3d9177e8fa)
Fix size reserved for IQM jointMats (allocated more than used)

(cherry picked from commit 89ee8b050fa3ca289851da896828d32fcec7b9e4)
Fix displaying demo name when loading demo

(cherry picked from commit b009528e6a7e319c3e787a088b10360af4c208ac)
Remove old x86_64 JIT compiler

(cherry picked from commit 78132cf829dcd1e6789881f049c2243ebf65b566)