nixos-generate-config: Don't generate /var/lib/nfs/rpc_pipefs filesystem

It's automatically mounted if the system has support for NFS.
nixos-generate-config: Don't generate filesystem options

We don't want to hardcode configuration options that the current kernel chose
for us when mounting the filesystem, since the defaults can change in the
future.
Add aangifte-2013
idris-mode: upgrade to current version
idris: no longer depends on old versions of trifecta and parsers
haskell-trifecta: remove old versions
haskell-parsers: remove old versions
Merge pull request #1791 from wizeman/u/nixos-gen

nixos-generate-config: improve filesystem generation
libass: update to 0.11.1, add more meta attributes

Close #1865.
Add haskell-gnuplot-0.5.2
linux: Update to 3.13.5
grsecurity: Update stable and test patches

stable: 3.0-3.2.55-201402221305 -> 3.0-3.2.55-201402241936
test:   3.0-3.13.4-201402221308 -> 3.0-3.13.5-201402241943
gtypist: update from 2.9.3 to 2.9.4
imlib2: update from 1.4.5 to 1.4.6
ipsecTools: update from 0.8.1 to 0.8.2
lout: update from 3.39 to 3.40
mpg123: update from 1.16.0 to 1.18.1
opensmtpd: update from 201307151923p1 to 201402281146p1
plan9port: update from 20110103 to 20140228
pstoedit: update from 3.50 to 3.62