TEIID-2627: Support for Accumulo
1) Added projects translator-accumulo, connector-accumulo
2) developed a JCA resource adapter to connect to accumulo for teiid in JBoss AS
3) developed a translator for accumulo, with following capabilities
  a) Limited capability of loading existing tables as metadata, introduced various metadata extension properties
  b) Added support for select, with equality and IN predicates on PK
  c) Added support for insert/update/delete at single row level, no batch support
4) Added unit tests with Mock Accumulo engine to test functionality
5) Added the adapter and translator to deployment kit
TEIID-2627: Added Count(*), IN, IS-NULL, Comparator functionality to the non-indexed columns in Accumulo Store
TEIID-2627: Adding Teiid based criteria evaluator iterator, and removed the previous one off iterators that are doing partial work. Also added limit projection iterator that filters out unwanted columns from result set
Merge pull request #169 from rareddy/ACCUMULO

Accumulo