[#607] Control Mononitoring UI based on config property

* Based on the property `showMonitoringFeature` (default to *false* if not
  present) we show or hide, monitoring related UI
[#607] Show META question options on Monitoring Groups

* The options 'Use in record display' and 'Use as record location' will
  show on 'Monitoring' groups and when Monitoring features is enabled.
Merge pull request #608 from akvo/issue/607

[#607] Control Mononitoring UI based on config property