added script to setup dashboard datasource, added dataSourceRequiredScripts.jsp so that a default SQL statement will be used when Teiid driver is selected, added Teiid specific skins, and updated TeiidShowcaseBuilder so that it can import workspace and/or KPI files from the file system
Merge pull request #10 from vhalbert/1.0.0

added script to setup dashboard datasource, added dataSourceRequiredScript