Changes from comments in PR#443
Merge branch 'develop' into regular_authentication_in_saml_server
Replace method infering basic authorization for other returning the 'authenticate' header value; let's analyze the header in other class
Updated serial number for serialization of RemoteOperationResult
Warnings removed
Merge pull request #19 from owncloud/regular_authentication_in_saml_server

Prevent than app without SAML support simulates a fake authentication in a SAML server