Add 5.7 login stuff
fixed database xml error, fixed auth type save error
Fix auth type install
Merge branch '5.6.3-login' of github.com:concrete5/5.7-dev into 5.6.3-login

Conflicts:
	web/concrete/core/models/authentication/type.php
added method to run tasks after successful login
Rescan group child paths on move
Merge remote-tracking branch 'origin/5.6.3-login' into 5.6.3
Fix authentication types:
access user search coming back
fixed including of view.css & view.js from block templates
added forgot password to concrete5 authentication type
removed unneeded code
removed cookie functionality checking
fixing upgrade
removing useless chunk of controller
Users search bug fix
removing unused funciton
fixed checking of authentication type forever cookie
sitemap and file manager tweaks
fix styling for first run newsflow popup and fix logic for showing newsflow popup