facebook twitter github integration
merge
social login
social login
fix document table
fixed token expiration issue: saving the id is enough
callback url construction
css
user creation with social network id
login with generated username
added form validation and upped the version
added social accounts link
fixes
removed unused method
unlink
removed data example
cast for java16
fixed nullpointerexceptions on user retreival
Merge remote-tracking branch 'baasbox/master' into sociallogin

Conflicts:
	app/views/admin/main_/content_/settings_/summary.scala.html
	conf/db.sql
	public/console/bbjs/baasboxgui.js
	public/console/css/baasbox.css
merge sociallogin->master trunk