[stable10] Backport of Add default option 'no' to --continue for command decryptall
[stable10] Backport of Add default option 'no' to --continue for command decryptall

Add default option 'no' to --continue
option for the command decryptall.

Signed-off-by: Sujith H <f003c101b6db321bb70f3b324d211f3cd092837a@owncloud.com>

owncloud/core,owncloud/core,owncloud/core,phil-davis/core,owncloud/core,owncloud/core