Minor front end enhancements and bug fix
Bug Fix:
- Fixes a problem where Internet Explorer was being directed to /undefined/ in the URL
Enhancements:
- Added color theming for date-pickers in the app. Date-pickers are now dark/light in accordance with parent page themes
- Added expiration headers to improve caching performance
- Changed label in advanced polices so as to not lead users to think we had access to apple app store
- Page no longer loads before login page is displayed when user is not authenticated
