Rollback changes to get_all for key value API
Rollback changes to get_all for key value API

Changes made by previous commit broke a use case in get_all for the key
value API.

Plexxi/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2