hello: Update to 2.10
haskell-digest-pure: Add version 0.0.3
Add a job for generating options.json

Useful for the nixos.org options search.
urlwatch: update to version 1.17
nixUnstable: bump
Adding eudev
hol_light: update from 199 to 205
Merge pull request #5011 from 4z3/urlwatch-1.17

urlwatch: update to version 1.17
Merge pull request #5010 from abhinav/master

haskell-digest-pure: Add version 0.0.3
kernel: 3.18-rc4 -> 3.18-rc5
nginxUnstable: disable the broken syslog patch
pidgin-with-plugins: fix plugin directories (close #5009)
pidgin: enableParallelBuilding
emacs24Macport: emacs-24.4-mac-5.0 -> emacs-24.4-mac-5.1
db-*: only use the osx.patch for db5 where it applies

This unbreaks builds of all other versions (4.* and 6.*).