142 - Disease Group with configurable links

Added "Radar Groups" functionality for superadmin.
Merge remote-tracking branch 'robworth/develop' into features/142-Disease-Group-Links
142 - Disease Group with configurable links

Added "Radar Groups" functionality for superadmin.
Merged develop to current 142 branch.

Merged develop to current 142 branch.
Merge branch 'develop' of https://github.com/patientview/patientview into feature/Card204-Patient-Info-Heading
Merge pull request #76 from PatientView/feature/204-Patient-Info-Heading

Feature/204 patient info heading