video playback
added video timing
Merge branch 'master' into videoplayback

Conflicts:
	apps/openmw/mwscript/docs/vmformat.txt
	apps/openmw/mwscript/miscextensions.cpp
Merge branch 'master' into videoplayback

Conflicts:
	apps/openmw/mwrender/renderingmanager.cpp
fix FindFFmpeg.cmake
audio codec is opened, some cleanup
more clean up, video played with correct speed, videos without sound working too (mw_credits.bik)
commented out debug output
Merge branch 'videoplayback' of github.com:scrawl/openmw into videoplayback
Merge branch 'master' of https://github.com/zinnschlag/openmw into videoplayback

Conflicts:
	apps/openmw/mwrender/renderingmanager.cpp
	apps/openmw/mwscript/miscextensions.cpp
started over
DataStreamPtr fix, indentation fixes
Esc cancels the video
pause 3d rendering while the video plays
Avoid potential NULL dereference
Add a missing return value
Fix some "comparison between signed and unsigned" warnings
Indentation fixes
Treat paused sounds as still playing
Sleep using the absolute time, so the thread creation doesn't add to the wait