Introduces a new javascript "utils" file, which includes a check for
matching the query against a set of tracking number regexes on page
load. If a match is found, the script prepends a link to the
(presumably) appropriate tracking page.
Referenced in #98
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