Merge remote-tracking branch 'qatar/master'

* qatar/master: (23 commits)
  build: cosmetics: Reorder some lists in a more logical fashion
  x86: pngdsp: Fix assembly for OS/2
  fate: add test for RTjpeg in nuv with frameheader
  rtmp: send check_bw as notification
  g723_1: clip argument for 15-bit version of normalize_bits()
  g723_1: use all LPC vectors in formant postfilter
  id3v2: Support v2.2 PIC
  avplay: fix build with lavfi disabled.
  avconv: split configuring filter configuration to a separate file.
  avconv: split option parsing into a separate file.
  mpc8: do not leave padding after last frame in buffer for the next decode call
  mpegaudioenc: list supported channel layouts.
  mpegaudiodec: don't print an error on > 1 frame in a packet.
  api-example: update to new audio encoding API.
  configure: add --enable/disable-random option
  doc: cygwin: Update list of FATE package requirements
  build: Remove all installed headers and header directories on uninstall
  build: change checkheaders to use regular build rules
  rtmp: Add a new option 'rtmp_subscribe'
  rtmp: Add support for subscribing live streams
  ...

Conflicts:
	Makefile
	common.mak
	configure
	doc/examples/decoding_encoding.c
	ffmpeg.c
	libavcodec/g723_1.c
	libavcodec/mpegaudiodec.c
	libavcodec/x86/pngdsp.asm
	libavformat/version.h
	library.mak
	tests/fate/video.mak

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

Makefile

@@ -18,6 +18,7 @@ PROGS-$(CONFIG_FFSERVER) += ffserver
 PROGS      := $(PROGS-yes:%=%$(EXESUF))
 INSTPROGS   = $(PROGS-yes:%=%$(PROGSSUF)$(EXESUF))
 OBJS        = cmdutils.o
+OBJS-ffmpeg = ffmpeg_opt.o ffmpeg_filter.o
 TESTTOOLS   = audiogen videogen rotozoom tiny_psnr base64
 HOSTPROGS  := $(TESTTOOLS:%=tests/%) doc/print_options
 TOOLS       = qt-faststart trasher
@@ -68,8 +69,9 @@ config.h: .config
 
 SUBDIR_VARS := CLEANFILES EXAMPLES FFLIBS HOSTPROGS TESTPROGS TOOLS      \
                ARCH_HEADERS BUILT_HEADERS SKIPHEADERS                    \
-               ALTIVEC-OBJS ARMV5TE-OBJS ARMV6-OBJS ARMVFP-OBJS MMI-OBJS \
-               MMX-OBJS NEON-OBJS VIS-OBJS YASM-OBJS                     \
+               ARMV5TE-OBJS ARMV6-OBJS ARMVFP-OBJS NEON-OBJS             \
+               MMI-OBJS ALTIVEC-OBJS VIS-OBJS                            \
+               MMX-OBJS YASM-OBJS                                        \
                MIPSFPU-OBJS MIPSDSPR2-OBJS MIPSDSPR1-OBJS MIPS32R2-OBJS  \
                OBJS TESTOBJS