Remove latitude longitude database validation on user

Removed to implement guest user. Will add back when
geo-location is working
Remove sessionStorage dependency

App now sends artist name and seatgeekid on favorite add
Need to refactor code to only append band node into div.
All logic now on server.
Remove accepts_nested_attributes

Has_many_through is not properly creating relationships using
build or shovel methods
Remove validations for guest user test

Need to: refactor user create method and reimplement
geo functionality.
Remove sessionStorage
Add append method to render artist node in favorites menu

Temporary solution will refactor to remove duplication
Add submit button div to index view

Previously appended with favorites list menu view method.
New js functionaility only appends band divs. Server now
stores all banda info.
Add favorites view method to append band done to favorites menu
Add rails authtoken script
Add favorites create and index methods

When user visits site, guest user is created with users's geolocation.
User can add favorite artists, which will be saved in the database.
When the user enters his/her phone number, the account will become
a registered user. If conversion does not happen, the account will
be deleted in a nightly rake task.