Added openid class and attributes for ldap backend
Removed instantiating of openid server. Now it is instantiated only when needed
new option for auxiliary functions
Fixed route for yser yadis
Fixed urls and link to openid.server
Some text
Several utility functions
HTML page for server endpoint
Introduced ldap_connection context manager, rewritten login and auth methods
Endpoint implementation, some adjustments for other routes
ignore server's sstore folder