objective-caml: update 4.01.0 bottle.
coremod 4.2.0
clucene: use checksummed patches
hugs98: use checksummed patches
grass: use checksummed patches
libid3tag: use checksummed patches
Don't check issues on Ruby 1.8.6

The system certs are too old to be able to read from Github, so
don't try to use the Github API on 1.8.6 either.
emacs: use checksummed patches
proctools: use checksummed patches
gdal: use checksummed patches
wiggle: add 0.9 bottle.