Merge remote branch 'qatar/master'

* qatar/master:
  Makefile: Include dependencies for test tools, too
  Remove a version check in av_log made unnecessary by the big bump.
  update last major version increase dates in APIchanges
  Reduce picture size for yadif.
  oggdec: use av_freep() instead of av_free()
  avio: Fix sanity checks in ffurl_read*
  libavformat: Free AVFormatContext->streams
  libavformat: Make protocols pass URLContext as log context where available
  asf: remove commented out code in asf_read_seek
not pulled:  libpostproc: Remove crufty code disabled by the big bump.
  Reflect 0.7_beta1 release in the Changelog
not pulled:  sws: remove disabled cruft.
  lavu: remove disabled ff_random_get_seed cruft.
  lavu: remove disabled sha1 cruft.

Conflicts:
	Changelog
	libavutil/sha1.h

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

libavformat/utils.c

@@ -2586,6 +2586,7 @@ void avformat_free_context(AVFormatContext *s)
     av_freep(&s->chapters);
     av_metadata_free(&s->metadata);
     av_freep(&s->key);
+    av_freep(&s->streams);
     av_free(s);
 }