Updated STSM Tool

-added date to chart mouseover
-updated data service url to epedata
-renamed chart
Updated STSM CSS

-cleaned up data cart hovers
Updated DTS Tool

- realigned pulldowns
- moved parameter 2 legend line to the right
- new data browser functionality 
- fixed a few other bugs related to parameter dropdowns
Updated STS Tool

- fixed issues with parameter dropdowns
- added date range error handling
- updated css
Updated STS Map Tool

- added date validation functionality
- updated css
Updated GPE Tool

- fixed version number