* Members: disabled signup button during signup
* Members: disabled non-Stripe signup button during signup
* Members: added check to Log in button logged in state
* Updated close animation speed for members pages
* Updated responsive styles for members mobile screens
* Adding spinner CSS to members pages
* Adding members signup complete page
* Added members library inc. gateway
refs #10213
* Added the auth pages and build steps for them
refs #10213
* Cleaned up logs
* Updated gruntfile to run yarn for member auth
* Design refinements on members popups
* UI refinements
* Updated backend call to trigger only if frontend validation passes
* Design refinements for error messages
* Added error message for email failure
* Updated request-password-reset to not attempt to send headers twice
* Updated preact publicPath to relative path
* Build auth pages on init