add ojs-base 0.1.0
fix url md5
ojs-base: fix deps and package name
fix ojs-base md5sum
ojs-base depends on ppx_deriving_json < 2.0
add omd.1.1.2
+utop.1.16
OASIS 0.4.5
Merge pull request #2916 from pw374/master

add omd.1.1.2
Merge pull request #2901 from whitequark/utop.1.16

+utop.1.16
Merge pull request #2920 from jpdeplaix/master

OASIS 0.4.5
Merge pull request #2914 from zoggy/master

Add ojs-base 0.1.0