Ocsigen Tyxml 3.0.0 and Ocsigen Server 2.3.0
Eliom 2 & 3 depend on Ocsigenserver < 2.3
Merge branch 'master' of https://github.com/ocaml/opam-repository
Eliom 3.0.0 depends on Server < 2.3
Merge pull request #1731 from balat/master

Ocsigen Tyxml 3.0.0 and Ocsigen Server 2.3.0
+cohttp.0.10.0
+websocket.0.7.0
update constraints for new cohttp
+cowabloga.0.0.5
+irminsule.0.5.1
+github.0.8.0
Add missing constraints for vhd-tool
websocket.0.6: requires ocaml4+
websocket.0.7: requires ocaml4+
new glical.0.0.2 + fix glical.0.0.1

glical.0.0.2: (tiny but significant) change of interface
glical.0.0.1: fix install rule (cmis were missing)
Merge pull request #1736 from mirage/master

Cohttp 0.10.0
+tuntap.1.0.0
tuntap: add missing deps
cfstream 1.1.1
Merge pull request #1739 from pw374/master

new glical.0.0.2 + fix glical.0.0.1