WIP, all javadoc
WIP commit.

Added a doclet that allows filtering out inner classes (the
extendable builder thing clutters up the javadoc)
Merge branch 'develop' into kv-docs

Conflicts:
	pom.xml
	src/main/java/com/basho/riak/client/operations/kv/FetchValue.java
	src/main/java/com/basho/riak/client/operations/kv/KvResponseBase.java
Moar docs.