hugin: version bumped

correct dependencies
lensfun: fix download & minor version bump
firefox: fix cache generation breakage

There is no segfault anymore, but it still fails over here (likely
related to parallel builds) during the build. Running it manually
after the failure works fine...
pydot: fix data installation
dillo: version bump
Merge pull request #304 from v4hn/dillo

dillo: version bump
Merge pull request #303 from v4hn/lensfun

lensfun: fix download & minor version bump
Merge pull request #299 from v4hn/hugin

hugin: version bumped
awesome: version bumped to 3.5.5.
vala: version bumped to 0.24.0.
gtk+-2: version bumped to 2.24.23.
mpd: version bumped to 0.18.10.
lxc: add the systemd service file.
openvpn: version bumped to 2.3.3.

Add a service file for systemd.
libgee: version bumped to 0.14.0.
telepathy-glib: version bumped to 0.24.0.
mutt-devel: Version bump to 1.5.23 and updated sidebar patch to 1.5.23
exim: use %MYSQL
Bugfix to sidebar patch for mutt-1.5.23
tig: Version bump to stable 1.2