Merge pull request #241 from owncloud/sso_bug_changing_orientation

Fixed bug when changing orientation in SSO dialog
OC-1028: add extra condition to check of redirection. New method isIdPRedirection at RemoteOperationResult
Merge remote-tracking branch 'origin/saml_based_federated_single_sign_on' into saml_based_federated_single_sign_on
Fixed orientation changes in SSO dialog with WebView
Merge branch 'saml_based_federated_single_sign_on' into sso_bug_changing_orientation