Merge commit '1985c2e75c607ac51bfd8dc87d2957a5edf2b6f8'
* commit '1985c2e75c607ac51bfd8dc87d2957a5edf2b6f8':
Bump major versions of all libraries.
Conflicts:
doc/APIchanges
libavcodec/version.h
libavdevice/version.h
libavfilter/version.h
libavformat/version.h
libavutil/version.h
libswscale/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>