Update to Eliom3 + services typing
Merge branch 'master' into eliom-3.1

Conflicts:
	src/services.ml
ATOM: création d'un flux atom par tag
Correction du flux atom de chaque feed pour bien prendre en compte tous les feeds imbriqués
correction de l'indentation du commit 23ade27d99662a9ff05431e81bc576563c02e477.
Merge branch 'master' into eliom-3.1
Update against the latest eliom
Update against the latest ocamlbuild-eliom
Merge branch 'master' into eliom-3.1

Conflicts:
	src/services.ml
Update against the latest ocamlbuild-eliom again
Merge branch 'master' into eliom-3.1
Update again against ocamlbuild-eliom
Merge branch 'master' into eliom-3.1
Improve the installation part (removing initdb.sh and improving the INSTALL file)
Update ocamlbuild-eliom
Fix some warnings with ocaml 4.01
Merge branch 'master' into eliom-3.1
Use the new -plugin-tags feature of ocamlbuild together with eliom.ocamlbuild and js_of_ocaml.ocamlbuild

contains a hack of the setup.ml
eliom.ocamlbuild now contains js_of_ocaml.ocamlbuild
Update the OASIS files against the latest OASIS devel