fix the privatedata key value store
no need to check if the user is logged in - this is already done in the ocs dispatcher itself
adding @return
fixing php notice: Undefined index key
no need to check if the user is logged in
PHPDoc comment updated - checkLoggedIn() removed
fixing undefined index in delete()
Get rid of the SELECT query. Try UPDATE, on failure INSERT.
first two tests
unit tests for set added
adding unit tests for delete
testing update and delete
Change to using OC_User::setUserID() instead of OC::'
Merge pull request #7268 from owncloud/stable5-fix-ocspriv

Use separate table for privatedata attributes