Prepend insert-widget components before each widget
Extract widget lookup & instantiation from editor-view
Use insert-widget component in the templates
Move layoutName declarations to base classes
Trigger editing start/end events
Basic image selector in img-content
Support widget removal
Add dropdown menu for insert-widget
Extract insert-widget popover
Rename editor-view to waterfall-editor
Fade in widget-handle on hover
Half-assed insertWidget action
Revert "Use insert-widget component in the templates"

This reverts commit 330579165fb6212c2e7a72151a73f6e063b7f97b.
Insert widget capability
Also remove the insert component when deleting a widget
Pod-like module structure for widgets
Re-enable Heroku deploys