Basic autocomplete/search suggestion functionality added
* Adds new GET and POST routes for '/autocomplete' that accept a string query and returns an array of suggestions
* Adds new autoscript.js file for handling queries on the main page and results view
* Updated requests class to include autocomplete method
* Updated opensearch template to handle search suggestions
* Added header template to allow for autocomplete on results view
* Updated readme to mention autocomplete feature
Ben Busby