* Checkbox to toggle project's serveSecure flag
This doesn't yet persist or reload the page.
* Help button that shows modal to explain feature
* Extracts protocol redirection to helper
* Returns promise from saveProject() action to allow chaining
* Setting serveSecure flag on project redirects after saving project
* Set serveSecure on Project model in API and client
* Redirect to correct protocol when project is loaded
Andrew Nicolaou