cairo: libpng is non optional
ZopeInterface: version bump
Twisted: version bump
tornado: version bump
ipython: major version bump

Remove MathJax installation again. It's supposed to be installed
by the user (nonsense... -.-)
lightdm: Version bump 1.10.0
httpd: version bump to 2.2.27

The Apache guys seem to have picked up the obnoxious habit of
removing older versions of httpd from their distribution page,
so this module is actually broken now with the old version there.
Merge branch 'ruby' of https://github.com/Florin65/moonbase-other into httpd
arpack-ng: version bump
octave: major version bump

Now with Qt-GUI
phpMyAdmin: version bumped to 4.1.13.
units: version bumped to 2.11.
gdal: version bump & cleanup
nss: version bumped to 3.16.
connman: version bumped to 1.23.
ffmpeg: add a needed compile parameter.
lcms2: version bumped to 2.6.
gmime: version bumped to 2.6.20.
qemu: version bumped to 2.0.0.
nmap: version bumped to 6.46.