Local Levenshtein replaced by com.rockymadden.stringmetric.similarity's
README: add general description + packages hierarchy
Project: get rid of Avro definitions
Util(s): move to consistent packages
Definition of Wrappers - specifically StringWrappers
Add TODO's for use of new types on registering tables
squash: Utils.completeSplit replaced by <string>.split(,-1)
Utility String.clean points to CleanString
Extension of 'util.Util' functions

 Split of utils functionalities between util and spark.util packages
Creation of Query -> Business String matcher (+ tests)