WIP commit - all admin ops code complete
Merge branch 'bucket-ops' into search-operations

Conflicts:
	src/main/java/com/basho/riak/client/util/RiakMessageCodes.java
resolved message code name conflict
WIP - yz ops done

yz admin ops done, working on search
Merge branch 'master' into search-operations
Adds YZ admin operations and the search operation.
Merge pull request #289 from basho/search-operations

Search operations