Updating GNU readline to 6.3.

I remove all 6.2 patches manually, but I keep the logic to add later patches.
Updating gdb to 7.7.
gdb: adding a patch to handle well the edit cmd + SIGWINCH.

It's reported to upstream since two years ago, through
their patches mailing list.
python-suds: Add new package
add repositories.git to several packages
youtubeDL: update from 2014.03.12 to 2014.03.18.1
openssh: Update to 6.6p1

CVE-2014-2532

Note that this CVE only affects people who use AcceptEnv with
wildcards.
Revert "Updating GNU readline to 6.3."

This reverts commit dbaa07b8ef6cae1b726bc3bdbb9cfaca5116a2c3.

vcunat reported on IRC that the update breaks python and parted at least.
http://hydra.nixos.org/build/9661091/nixlog/1/tail-reload
Adding GNU readline 6.3 apart

I set bashInteractive to use it, as it has many relevant fixes.
haskellPackages.dbmigrations: Jailbreak now HDBC has been updated
git: Update to 1.9.1
Trying to fix GNU readline 6.3 build on Darwin

I copied the stdenv override used for readline 6.2.

Peter Simons notified me of the failure:
http://hydra.nixos.org/build/9672338
haskellPackages.timezoneOlson: Update to 0.1.4
Merge pull request #1991 from linquize/git-1.9.1

git: Update to 1.9.1