CIDEVSTC-194 : add type and persisted version info
fix obj gen documentation test
M156: for performance, remove type safety check on deserialization
M156: remove test-case for type safety
Merge pull request #479 from pkediyal/schema_versioning_final

CIDEVSTC-194 : add type and persisted version info
M156: remove incorrect check for None values
Merge pull request #481 from pkediyal/schema_versioning_final

M156: remove incorrect check for None values
Merge branch 'HDFtoDB' of git://github.com/caseybryant/pyon into HDFtoDB
M114 - Updated comments to remove copy/paste artifacts.
M114 - Added integration tests for new coverage Postgres tables.