+base-no-ppx
Install camlp4-extra in the travis script.
Fix capitalization (Ocaml ~> OCaml) in bolt package descriptions.
ocaml-efl: Added version 1.11.1.
ocaml-efl: update installation script for tarvis
ocaml-efl: fixed conflict for travis build.
ocaml-efl: add missing dependency for travis build (fribidi)
ocaml-efl: added libexpat as a dependency for travis.
ocaml-efl: Force travis to redo the tests.
Merge pull request #2761 from yallop/travis-camlp4-extra

Install the camlp4-extra package in the Travis script.
Merge pull request #2762 from axiles/master

ocaml-efl: Added version 1.11.1.
Merge pull request #2758 from whitequark/master

+base-no-ppx
Add version constraint on OMD for Lambdoc