Add claws-mail and libetpan.

Adds Nix expressions for claws-mail (http://www.claws-mail.org) and a
dependency that is not already in the tree, libetpan
(http://www.etpan.org/libetpan.html).

The Claws expression has flags for toggling the build of various plugins.
proot: remove self.stdenv.lib
Merge remote-tracking branch 'nixos/master' into proot

Conflicts:
	pkgs/tools/system/proot/default.nix
new package: svg2tikz
Fix a silly mistake in the chocolateDoom packages, and bump master

master was bumped because a few critical bugs were found in the chocolate-strife netcode (and were subsequently fixed). Still pestering upstream for a new release :P

Closes #4422
Added granite

Added meta details, changed hash to sha256, and added versions for granite

Changed name to use versions

Fixed license

Yet another typo fix

Added myself as maintainer and fixed typo

Fixed maintainers

Added pantheon terminal

woops
Add MKRAND
Apparently now monotoneViz source got fixed
zsh: update from 5.0.6 to 5.0.7
Merge pull request #4428 from mknight-tag/master

New package: MKRAND
Astroid 1.2.1
Add license for svg2tikz
Merge pull request #4431 from DamienCassou/astroid-1.2.1

Astroid 1.2.1
Removed akunambol

It is not maintained anymore, and is not compatible with kde 4.14.
Made kde 4.14 the default kde
Removed kde 4.12
Merge pull request #4426 from ollieh/master

Added granite and pantheon-terminal
mailpile: update to 0.4.1
Merge pull request #4434 from matejc/mailpile041

mailpile: update to 0.4.1
add patches for openafs-client on kerel 3.17