Braces formatting correction
Merged changes
Explicity cast types that we "inferred" previously.  This is done for clarity.
Moved getType out of GroovyJsonFormatter and into CellTypes
Updated NCubeTest parameter names and clarified a ? load from string.
removed items so that they can be autogenerated when needed.
Checking in merged changes
- Integrated Ken's latest pull request (#51).
- Updated the SHA1 to use a MessageDigest directly instead of building full string and computing it later.  Speedier.
- Consolidated JsonFormatter and GroovyJsonFormatter back into JsonFormatter