improved error messaging, initial commit
encryption error messages, distinguish between a re-enabled encryption app and a password change from outside
improved documentation of the methods
error.php no longer needed
Merge branch 'master' into encryption_improved_error_messages_4617
re-added error.php
no longer enforce log out, but provide useful errors/warnings instead
remove test code
Merge branch 'master' into encryption_improved_error_messages_4617

Conflicts:
	apps/files/index.php
Merge branch 'master' into encryption_improved_error_messages_4617

Conflicts:
	settings/ajax/changepassword.php
revert changes to 3rdparty submodule
Merge branch 'master' into encryption_improved_error_messages_4617
revert changes in personal template
we don't know \OCA\Encryption\Session if the encryption app is not enabled, so we have to set the status manually
fix hidden fieled name
Shortened notification message that was too long

The message for invalid private key was too long and didn't fit in the
notification box. This fix reduces the message to fit properly by
removing the extra information.
Merge pull request #4691 from owncloud/encryption_improved_error_messages_4617

Encryption improved error messages