[#49574229] Force SSL
Add .powenv to gitignore
[#49574229] Use HTTPS only for HTTPS requests.
Revert "[#49574229] Use HTTPS only for HTTPS requests."

This reverts commit 11349c3d1d8f45cf018aa3d34de15fc94e3700af.
[#49574229] Authentication failure on the API controllers send down a 401 instead of redirecting.
[#49574229] Requests with http:// don't use SSL. Requests with https:// do.
[#49574229] Redirect the root page to its https:// equivalent if accessed from HTTP.
[#49574229] Merge branch 'https_support'

Conflicts:
	Gemfile
	Gemfile.lock
	app/controllers/api/v1/api_application_controller.rb
	app/controllers/surveys_controller.rb
	spec/controllers/api/v1/api_application_controller_spec.rb
	spec/controllers/surveys_controller_spec.rb