* mozilla/control/npolibvlc.cpp: backport [25203] fixed name argument in add(url, name, options) for mozilla

* extras/contrib/src/Makefile: update x264 to latest revision (736) and backport darwin patch [24127] to match revision (trunk uses latest too); several memleaks fixed, minor bugfixes, few Altivec improvements, amd64 and FreeBSD support fixes

NEWS: remove FIXME on plugins, change SA number for MP4 issue; prepare for release based on what we have to keep things upto speed..

configure.ac: backport [24902] use build_os instead of SYS for detecting cygwin for hostname check because when we deal with mingw32 compiler (mno-cygwin mode) then SYS value isn't cygwin but (forced to) mingw32

Backport [23166] [23170] [23182] [23183] [23483] [23526] [23527] [23596]: Several live555 demuxer fixes.

* modules/demux/ogg.c: backport [24258] fix for demuxing Ogg with skeleton track. As noted in #1412 all content in Ogg now require a skeleton track..