OPAL-2203 - changed create to register and remove to unregister in DB related UI
Merge pull request #456 from kazoompa/bug-OPAL-2203

OPAL-2203 - changed create to register and remove to unregister in DB related UI
BIRT upgrade step added
Report UI reviewed.
Report list is sortable
R libPaths set before doing datashield or reporting
Code cleaning