Serialize user registration form

- Remove individual field values
- for AJAX post data
add clearsearch method in BandView

- clears band container
- clears search box
- pops out favorites menu
- resizes search box for favorites menu
Fix sessions signup listener

- Previously set to on click
- Activating when band was added to menu
- Bug due to signup button appearing immediately as click was made. Listener is bound to document
Merge branch 'master' into technical-debt-begone-merge2

Fix merge error due to whitespacing difference

Conflicts:
	giggidy/app/assets/javascripts/controllers/sessions_controller.js
Merge branch 'technical-debt-begone-merge2'

Refactor DOM manipulation after band is added to favorites menu
- clear search box
- popout favorites menu
- resize search box
- clear band container