remove old compiler
remove old packages, now upstream or obsolete
add packages for conduit integration
Add travis
add travis
typo in travis
tweak
conduit depends on stringext
Add more requirements for conduit
require mirage-types & dns for conduit build
Conduit is OCaml 4.01-only
update mirage-http deps
further refine conduit deps to add tcpip
Merge pull request #16 from avsm/master

WIP packages for Conduit merge