Configured homepage and searchpage routing.  Also removed some leftover code from tutorial.
api should return 1 bar, not array when estab is requested by PIN
Added service for requesting establishment by PIN
Added service for index page.  When a user enters more than 3 digits of a
pin, the service finds the afiliate establishment and displays the name.
If a person approves, the establishment is put into the root scope and
user is taken to the song search page.
Submit button is now disabled until a valid PIN is entered
Added functionality for retirieving song id of clicked song on search page