Merge commit '27f27462'

* commit '27f27462':
  parseutils: Make av_small_strptime public

Conflicts:
	doc/APIchanges
	libavformat/utils.c
	libavutil/parseutils.c
	libavutil/version.h

See: 29e972f6
Merged-by: Michael Niedermayer <michaelni@gmx.at>