webgui: first try to use simplesaml php in symfony, not working, refs #778
webgui: start on saml bundle implementation, refs #778
webgui: continue on saml implementation, refs #778. Problem remains, that user is authenticated, but when comes to _home, is marked as not fully authenticated and is marked as anonymous user...
Revert "webgui: first try to use simplesaml php in symfony, not working, refs #778"

This reverts commit dde4607228e8cc3c4a68656f5ad6f25d399eb14d.

Conflicts:

	client/symfony_gui/www/app/config/security.yml
webgui: fixed authentication with saml entity caused by wrong saml/pattern in security.yml, refs #778
webgui: fixed connection history and profiles for samlUser, refs #778
webgui: fixed path for redirecting after saml login, rewrite route for home action to connectionsAction, refs #778
webgui: common user columns are separated in new entity, refs #778
webgui: first try to fix login from DB (old way), refs #778
multiple authentication methods conflict incl. saml fixed, refs #778
saml: added Readme, edited configuration for sauvignon server