add joolog

install
add odate

odate
[joolog] add react dependency
add 4.01.0 compiler with PIC runtime

required on some platforms (such as x86_64 Linux) to use OCaml to build
plugins for other software (such as clang and gcc)
added a bit more information on the +PIC compiler
odate: version constraint
+mirage.1.0.4
Merge pull request #1573 from mirage/master

+mirage.1.0.4
Remove oasis dependency from irc-client.0.1.2

Signed-off-by: John Else <john.else@citrix.com>
Remove oasis dependency from crc.0.9.0

Signed-off-by: John Else <john.else@citrix.com>
Add git2fat
Merge pull request #1569 from pippijn/master

add 4.01.0 compiler with PIC runtime
Merge pull request #1574 from johnelse/crc-remove-oasis-dep

Remove oasis dependency from crc.0.9.0
Merge pull request #1575 from johnelse/irc-remove-oasis-dep

Remove oasis dependency from irc-client.0.1.2
Merge pull request #1563 from hhugo/master

Add joolog ; Add odate
ocp-indent.1.4.1
Add ocp-index.1.0.1
add ocaml-top.1.1.2 (compat)
Fix Travis CI scripts
Git: fix compiler constraints