FIX: Change local state dir, which must be writable, from "/nix/store/...glusterfs..." to "/var"
rage: add enlightenment's own video/audio player
haskell: add csv-conduit, packdeps

csv-conduit is a CSV library using conduit (streams)

packdeps is an executable to compare Haskell dependencies to latest
available versions
axel: add meta-information
bfr: update source url, fix build and adopt it
bfr: justify perl516
docs fail to build with newer versions
crashplan: install desktop file

(cherry picked from commit 42b2c1f3cf41844e7edf41a4523dd6c3ff958234)
Signed-off-by: Domen Kožar <domen@dev.si>
ruby gems: propagate ruby because it contains the hooks to add gem search paths, needed by nix-shell-created environments
Merge pull request #5384 from ts468/glusterfs

FIX: Change local state dir
eletrum: drop python-... prefix from name
kde4.kmplayer: use gentoo mirror (fixes #5407)

The upstream server is down.
Merge pull request #5396 from matejc/rage

rage: add enlightenment's own video/audio player
Merge pull request #5406 from ehmry/electrum

eletrum: drop python-... prefix from name
libssh: security+maintenance to fix CVE-2014-8132

Also switched to openssl instead of libgcrypt (wouldn't compile otherwise),
and fixed meta.license.
mediainfo, libmediainfo, libzen: fix typo (close #5413)
Merge pull request #5402 from bergey/haskell-csv-conduit-packdeps

haskell: add csv-conduit, packdeps