fetchmail: fix URL
orc: version bump
gst-ffmpeg: fixing source 2 url
mc: version bumped to 4.8.13.
libmikmod: version bumped to 3.3.7.
mercurial: version bumped to 3.1.1.
boost: version bumped to 1.56.0.
cairo: Adjusting BUILD to compensate for gcc-4.9
pango: Adjusting build for gcc-4.9
nas: bump to 1.9.4