Improve description of SLAP
Decrease the required vesion of OCaml
new package version why3 0.85
ocamlfind: minor release 1.5.3
archimedes needs camlp4
erm_xmpp needs camlp4
mldonkey requires camlp4 and does not work on 4.02.0 because of the new-string-syntax-in-comment problem
Add package for Lambdoc 1.0-beta1
wyrd requires camlp4
Add dependency on ocsigenserver (required for lambcmd, not the library itself)
arakoon: requires ocaml < 4.02.0
Merge pull request #2714 from planar/archimedes-camlp4

archimedes needs camlp4
Merge pull request #2715 from planar/erm_xmpp-camlp4

erm_xmpp needs camlp4
Merge pull request #2716 from planar/mldonkey-camlp4-ocaml

mldonkey: two problems with 4.02.0
argot: requires ocaml < 4.02.0
Merge pull request #2719 from planar/wyrd-camlp4

wyrd requires camlp4
new package for labltk and ocamlbrowser, since they split from ocaml
new package for lablgtk 2.18.2
only install labltk on 4.02 and above
add libconfig1-dev as external dependency