continuation of #109595
pkgconfig was aliased in 2018, however, it remained in
all-packages.nix due to its wide usage. This cleans
up the remaining references to pkgs.pkgsconfig and
moves the entry to aliases.nix.
python3Packages.pkgconfig remained unchanged because
it's the canonical name of the upstream package
on pypi.
* 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
gksudo wasn't working because libgksu used wrong sudo file which doesn't have setuid bit
Committer: it isn't optimal, as it won't work on non-NixOS. I've got a
patch for it to use relative paths, but apparently something's wrong
with it and I don't want to kill much more time with it ATM.