Add kibana, visualize logs and time-stamped data
pythonPackages.graphite_influxdb: use latest version from master

Latest version is needed if you want to run this in production, because of
some fixed performance bugs.
grafana: update 1.5.4 -> 1.8.0-rc1
nixos/graphite: add host and port options for graphiteApi
nixos/mongodb: service fixes

- Log to syslog, so journal picks-up logs
- Start as foring service, so systemd will wait for service to start
- Add extraConfig option
rubyLibs: add compass, regenerate
rubyLibs: fix bundler
s3sync: fix input ruby attribute name
nixos/graphiteApi: add example config for influxdb backend
haskell-lens-family: new expression
haskell-lens-family-th: new expression
rustc: fixed build after 7068828389390dca066fb1062bd27148d49339d4

That commit changed the patch to work for the new HEAD, but that new
patch breaks 0.11. I made two patch for the two versions.
mopdiy: Update from 0.19.3 to 0.19.4
diod: Update from 1.0.22 to 1.0.23
wal-e: Update from 0.6.9 to 0.6.10
chrony: Update from 1.30 to 1.31
nixos/nfs: Fix configuration merge
lirc: Update from 0.9.1 to 0.9.1a
Merge pull request #4109 from cstrahan/update-camlistore

update camlistore to 0.8
Merge pull request #4112 from k0ral/bashmount

Fixed URL in bashmount package.