Converted to lwt
Use resolver on riak_put
Add option to set links
Added riak_link_defaults
Removed compilation of proto files from build process
Handle exceptions in riak_ping
Added option to set usermeta
Merge branch 'mrnumber/master' into lwt_merge

Conflicts:
	_oasis
	_tags
	setup.ml
	src/META
updated THANKS
added release notes
getting ready to release as 0.9.2
removed PB code.

See https://github.com/metadave/riak-ocaml-pb for more info
fixing oasis setup
updated readme