* pkgs: refactor needless quoting of homepage meta attribute
A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.
* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit
* Fixed some instances
Here are four patches. Three of them add expressions for games. The
fourth, irssi-perl.patch, adds perl as an input for irssi, so that one
can run perl plugins in irssi. I didn't make the perl input optional,
but maybe it should be to keep the irssi expression light.
svn path=/nixpkgs/trunk/; revision=21813
