Merge pull request #61 from mdanter/master

CommandExecutorMDB changes to private converter methods
Merge pull request #63 from mdanter/master

Updated sample kjar location in services-base test codebase and maven
Update README.md

Removed stale information.
modifed mySQL datasource JNDI names
fixed variable name typo
added oracle and postgres specific datasource and xa-datasource
configuration.