#6059: OpenGL2: Read depths from resolve fbo when msaa is on in RB_TestFlare().
OpenGL2: Use RGBA16F format for HDR.

RGB16F is not 4-byte aligned and not supported by certain hardware.
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	code/renderergl2/tr_flares.c
Move cinematic cmd/drawing to cgame
End current draw surface before drawing cinematic

Fixes drawing StretchPic *before* CIN_DrawCinematic resulting
in cinematic being drawn before the StretchPic.
Merge remote-tracking branch 'ioquake3/master'
Make cinematics aspect correct

Required fixing RE_StretchPic to call RB_EndSurface (see last commit).
Fix signal 6 in S_Base_StartBackgroundTrack on OS X 10.9

In S_UpdateBackgroundTrack, s_backgroundLoop was passed to
S_Base_StartBackgroundTrack and tried to copy to itself using Q_strncpyz.
Move starting idlogo and intro video to cgame
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	code/client/snd_dma.c
Fix comment for CG_SetInitialSnapshot

Based on commit by woho.
Merge remote-tracking branch 'spearmint/master'
Merge remote-tracking branch 'ebx/master'