Add jquery event to remove favorite band items

- Click event listener
- Empty band item container in index.html.erb to allow for jquery click to work
Add HTML5 local storage

Save favorites list in local storage. User can return to website and favorites list will be shown.
Replace forEach with for loop removeBand from favorites

Add localstorage support
Fix FavoriteList.removeBand splice syntax error
Complete favorite band item remove functionaility

- User can now click delete button in favorites list to remove selected band
- Band will be removed from the localstorage favorite list
- Future implementation will remove from server
Fix merge conflicts