Cleanup: Remove ROOT/OCAML/include/event.h
Cleanup: Remove C client from the tree

This client is old, unused and unmaintained. Use @Incubaid/crakoon
instead.

See: http://github.com/Incubaid/crakoon
Cleanup: Remove PHP client from the tree

This client is fairly unmaintained. For future reference it was moved
to @Incubaid/pharakoon.

See: http://github.com/Incubaid/pharakoon
Cleanup: Remove 'hudson' files
Cleanup: Remove Lwt_io patch

We use upstream Lwt nowadays.
Cleanup: Remove tools/check_and_fix_tlog_8.2_to_0.1x.0.py

Arakoon 0.8.x and 0.1x.y are unsupported for quite a while by now, no
need to keep these scripts around.
Merge pull request #26 from Incubaid/1.6-cleanup-tree

Cleanup tree