(GH-125) Goodbye ninject - hello simpleinjector

This converts the DI container to SimpleInjector, which is quite a bit faster
than Ninject and ensures that the site is snappy.
(GH-126) Require HTTPS for entire site

Now that we are no longer working with Win2003 workarounds, ensure the entire
site is under HTTPS.
(maint) Turn off DB migrator upgrading on every call for now