libopencore can now be used as a replacement except for AMR-WB encoding.

Originally committed as revision 19365 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19353 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19117 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19116 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19115 to svn://svn.ffmpeg.org/ffmpeg/trunk

This is in preparation for the (L)GPL license upgrade code that will add
version 3 of these licenses.

Originally committed as revision 19114 to svn://svn.ffmpeg.org/ffmpeg/trunk

in the build system and documentation that mark it as GPL.

Originally committed as revision 18876 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18735 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Dylan Yudaken, dyudaken gmail com

Originally committed as revision 18274 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18215 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18186 to svn://svn.ffmpeg.org/ffmpeg/trunk

rewrite it for greater clarity in the process.

Originally committed as revision 18185 to svn://svn.ffmpeg.org/ffmpeg/trunk