Install cohttp before trying to compile opam-rt in the Travis CI scripts
Update CHANGES
Bump version number of trunk
[travis] install cmdliner to compile opam-rt
[travis] add the right dependencies to compile opam-rt
[travis] use the system libraries to compile opam-rt
[travis] opam-rt takes too long to complete, try to be faster to prepare the tests.
[travis] don't open local ports while running opam-rt as Travis CI seems to do not like it
Merge pull request #992 from samoht/master

CHANGES + version bump