Riak support
Added better handling for cancelling last log. now clears the associated KV
error handling
Ability to define a custom tag type.
Ability to define a custom tag type.
Tidy comment
Regression fixes - oops
Update readme
Documentation
Demote the WhatNode to a POJO. No need to persist in the graph
Added error check for Whitespace in tag labels name
ElasticSearch upgrade
Tag Label fixes
Spelling mistakes
Merge branch 'neo4j2'

Conflicts:
	README.md