Support cron-scheduling on Primary Node in NiFi 1.3.0

Users can use cron-scheduling for components on primary node since NiFi 1.1.0.
NiFi provides 2 property : Scheduling Strategy(Cron/Timer driven) and Execution (all nodes/primary node)
Kylo 0.8.2 doesn't support above feature when making new Feed with NiFi 1.3.0.

It is necessary to support all scheduling strategy on both NiFi 1.0.0 and 1.3.0