added travis configuration file
Several smaller changes.

- Added easier to use reverse names to Played and Requests
- Updated pagination template for use with endless-pagination (not done)
- Added setter templatetag, allowing you to set arbitrary variables
- Updated time_extras filters to allow model passing
- Added badges of service hooks
- Updated base template to show search query if one is done
- Updated search view to not query the database 40 times with no search