- Features for 10ft: PBO's, snapshotting/restoring mapped buffers during replaying
- Display lists snapshot/restoring: genned but still not-valid display lists are now handled properly

(cherry picked from commit fd44f7dcce80103562bd0c49ea15f6f6031fdc83)

Conflicts:
	bin_richg/trace.sh
	scratch/bdeen/hold/glireplay/gli_replay_tool.cpp
	src/voglcommon/vogl_gl_replayer.cpp
- regression test now works on AMD

(cherry picked from commit 680e3b47a57ac959bea89e55d54925cf24c7e17c)
- adding a missing entrypoint check, so traces made with NV extensions don't completely core dump on AMD (although the odds of them playing back right are kinda slim)
- adding darwinia trace

(cherry picked from commit cd849926f2db37a08a87395792c40916e0c6ee0f)

Conflicts:
	bin_richg/regression_test.sh
Merge branch 'master' of https://github.com/ValveSoftware/vogl into origin_github