OPAL-2570 - add the UI to add R Options
OPAL-2570 - saved the options in the current R Session
OPAL-2570 - set the R options in a new datashield user session
OPAL-2570 - added more validation to spot function names including those with namespaces
Merge pull request #606 from kazoompa/feature-OPAL-2570

OPAL-2570