#37 Attempt to fix dependency resolution issue -- was not finding 'org.semweb4j:rdf2go.impl.base:4.8.2' dependency so I removed it since it doesn't look like it's been necessary since v4.6.2.
fixed #37 Error Failed to resolve dependencies
Removed extra whitespace from Config.groovy
Added error handling for the REST API
Cleaned up DataSource.groovy and add more config locations to Config.groovy