r21760: Directly point to the Subversion instructions.
r21791: avoid a possible confusion, as suggested by Wanderer
r21802: x264 is MPEG-4 AVC, not ASP
r21849: fix typo
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24633 b3059339-0415-0410-9bf9-f77b7e298cf2