Add dummy login and register views

Add login route/controller/view
Add register route/controller/view
Hide footer when showing login/register
Replace workspace template when showing login/register
Handle showing / hiding modals

Add modal controller
Bind controller actions to various app 'vents'
Trigger events from appropriate views to open modal
Create views for modal contents
Rename modal templates and remove <section> wrappers
Add missing set partials
Fix urls in login/register views
Move foundation modal handling into custom ModalRegion type

Strip foundation code out of Modal Controller and create new
ModalRegion class.