at: upgrade to 3.1.14 - seems to solve problem with kernel 3.6

(cherry picked from commit e57249ab20f01041628842ea1d84eae15fa75dc8)
add emacs color-theme solarized
linux: Update to 3.12.25

(cherry picked from commit 0852d9e3643458ebd435b366bb3ecd79b0f47400)
nss: Update to 3.16.3

(cherry picked from commit ea0013a0d9d5a6e7b5cda8a1d6f4dc7c0b20df6e)
firefox: Update to 31.0

Also boldly re-enable parallel building.

(cherry picked from commit 21c7ed54e3617d5561d5ff4c72a8c7505fdce060)
Remove unused function

(cherry picked from commit ee3db692e67dc81e58b31b6fec410dd85fd4efde)
linux-3.15: upgrade to 3.15.7
firefox: Build without xulrunner

Fixes #2950.

(cherry picked from commit 5c5f11560329f41573c862b2146f6f7bc5e19d1b)

Conflicts:
	pkgs/applications/networking/browsers/firefox/default.nix
	pkgs/top-level/all-packages.nix
	pkgs/top-level/release.nix
pkgsi686Linux: Use 32b kernels (x86_64 kernels can't be built with 32b gcc).

(cherry picked from commit bde992bbbc7148255d439cbb8b54a772b81e89eb)
gnu: Fix (evaluation of the) call to forceSystem.

(cherry picked from commit 559f423417ea98a50ad0b96a48f23501f80141a6)
Fix evaluation

http://hydra.nixos.org/build/12958569
cacert: Update to 20140704

(cherry picked from commit b9c457ba1225f4f83aa6a299fadbcd80a23e4562)
Check for systemd environment variables that are too long

Issue #3403. For the case of $PATH being too long, we could call
buildEnv automatically.

(cherry picked from commit 9956b97b2f35a2cf87570e230abe0c5161d3944a)
Merge #3400: kernel updates

(cherry picked from commit 33e4a7f6232c6ec17cd31370f453e704f949fea6)
Setting retroshare 0.6 as lowPrio, it's unstable.
nixos/tests/containers.nix: Don't ping

This randomly fails with "Destination Host Unreachable". That
shouldn't happen, since all interfaces/routes should be up after
"nixos-container start" returns. Need more investigation...

(cherry picked from commit 19fc92a8ed7a63ba4e296941ac804298f936d792)
postgresql: Update to 9.0.18, 9.1.14, 9.2.9, 9.3.5

(cherry picked from commit e4e5502966636e1752005664c04baa06d13965a1)
Remove Subversion from the installation CD

(cherry picked from commit 5e96158234d93e624f179cf47e1e261670c1f901)
Shut up a warning in stage 2

(cherry picked from commit 39a67503621307692c00ec91edf8cdd3b0c23da2)
freecad: updating to 0.14

I had to update all the pyside programs, or freecad failed to build.  I picked
the versions advertised in http://qt-project.org/wiki/PySideDownloads . The
rest I took for github latest releases.