diod: fix service
rsync: update 3.1.0 to 3.1.1

fix http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2855
unrar: update from 5.1.5 to 5.1.7, change license to 'unfree-redistributable'
Add luna cpp build for eclipse

didnt have sha512 so used md5 instead.
firefox-bin: update to version 32.0
Fix leafnode by working around the check
Add a derivation for ocaml-calendar
Add a derivation for ocaml-optcomp
Add a derivation for deriving (ocaml instance derivation à la Haskell)
add ocaml-ipaddr
Add a derivation for js_of_ocaml
Reexport ocaml data notation in the ocaml-oasis derivation
Add tyxml (XML library for ocaml)
Add a derivation for the ocsigen server (ocaml webserver)
Add a derivation for eliom (ocaml web framework)
A description cleanup after merge
Merge pull request #3979 from ehmry/rsync

rsync: update 3.1.0 to 3.1.1
Merge pull request #3980 from gounnoticed/patch-1

Add luna cpp build for eclipse
Ur/Web compiler: new release, 20140531 -> 20140830
Merge pull request #3978 from ehmry/unrar

unrar: update from 5.1.5 to 5.1.7, change license to 'unfree-redistributable'