pkgs/development/compilers/ghc/with-packages.nix: include share/emacs/site-lisp in the generated environment

This change allows 'ghc-mod' to be included in such a GHC environment,
which is important because the tool is GHC version-specific.
Adding storebrowse, a tool to browse the nix store with a web browser.

The build script is a bit long due to the upstream go style of things.
storebrowse: update

Easier to launch, dramatic improvement printing of the URL where to browse.
storbrowse: fix name
Linux 3.8: update to 3.8.3
Wicd: #379 Also add the gtk-2.0 directory in pygobject to the PYTHONPATH
Linux-3.9-rc2
elinks: allow building without guile

Guile doesn't build on armv5tel now (failing an important test),
so better if I can disable it for elinks.
Add cloc-1.58
Merge remote-tracking branch 'upstream/master'