cow.0.8.1: restrict to ocaml < 4.02 per mirage/ocaml-cow#48
If you skip, do it on a log.

but don't fall into the river.

of lava.
Merge pull request #2952 from dsheets/abella-and-travis

Travis: Skipping an install should print the reason for skipping
Merge pull request #2944 from dsheets/cow_0_8_1_ocaml_version

cow.0.8.1: restrict to ocaml < 4.02 per mirage/ocaml-cow#48
add minimal version constraints for irmin
+libres3 v0.9
Remove unstable ocaml-git versions
Merge pull request #2953 from chambart/patch-7

add minimal version constraints for irmin
Merge pull request #2954 from edwintorok/libres3_v0.9

+libres3 v0.9
Merge pull request #2955 from samoht/git

Remove unstable ocaml-git versions
ollvm version 0.99
ollvm version 0.99
ollvm version 0.99
Merge pull request #2957 from lefessan/ollvm.0.99

Ollvm.0.99