Fix artifactId and name for security-service module
Merge pull request #246 from caskco/feature/fix-explore-metastore-connection

Fix explore concurrent metastore accesses
Increase/Decrease instances without having to restart the user service.
Remove the hard-coded 'return 1', in ServiceHttpHandler#getRunnableCount.
Fix locking. (Restrict to a single instance of lock per instance of ServiceProgramController).
Acquire lock before stopping the service.
remove synchronized on doStop.
Refactor common code, for conciseness and simplicity.
test for service-runnables' instances.
Small fix in explore preview endpoint
Make instances provisioned box same dimensions as instances requested textarea. Table alignment.
Merge pull request #237 from caskco/feature/fix-security-service-name

Fix artifactId and name for security-service module
Add default no-op implementations of stop and destroy for service workers
fix spacing issue brought about by previous commit (f7270bdf9f6271154b53f315e94e0ddc01263c97)
Remove extra new lines
Remove no-op destroy
minor - class name change
minor - move class to parent div
Changing Copyright 2 -> Copyright © 2
Changing © Copyright 20 -> Copyright © 20