Enable mcrypt, intl and exif support in PHP
php: Add xsl optional support

Use an override with xsl = true to enable xsl support in php.
php: Add mcrypt optional support

Use an override with mcrypt = true to enable libmcrypt support in php.
The --disable-posix-threadsds mcrypt build option was required by php.
php: Add zip and optional bz2 support

Use the overload bz2 = true to enable bz2 support for php.
zip support is enabled by default as it doesn't require any library.
compile fix: <stddef.h> needed for size_t
openocd: bump from 0.4.0 to 0.6.1

Also:
 * Remove commented out "GuruPlug installer" stuff that hasn't worked
   since openocd 0.2.0 (according to the comments).
 * Build with support for the following JTAG hardware:
   - Segger J-Link
   - Raisonance RLink
   - Keil ULINK
   - STMicroelectronics ST-Link
Add FlexGet and dependencies
releaseTools.nixBuild: Put hydra-build-products in each output

Putting a single hydra-build-products in $out can cause $out to have
unnecessary dependencies on other outputs.
emacs: add "auto-complete-clang-async" mode (aka emacs-clang-complete-async)
Add beets and it's dependencies
Merge pull request #324 from iElectric/beets

Add beets and it's dependencies
Merge pull request #323 from iElectric/flexget

Add FlexGet and dependencies
Merge pull request #325 from iyzsong/emacs-clang-complete-async

emacs: add "auto-complete-clang-async" mode
python-progressbar: fix license attribute
Linux 3.0.65
Linux 3.4.32
Linux 3.7.9
pynzb: fix license attribute
wicd: NixOS/nixos#88 add resolvconf to PATH for wicd

with this patch resolvconf is used to set the DNS via wicd, although
this doesn't seem to stop dhcpcd from clobbering /etc/resolv.conf
Adding snappy 1.1.0