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.
141 - PV - View log page amendments

Added 4 buttons for log view page and add sortable for Date and Time
column.
Merge remote-tracking branch 'robworth/develop' into features/141-View-Log-Page
Merged develop into current branch.

Merged develop into current branch.
Merged develop to current 142 branch.

Merged develop to current 142 branch.
Merge branch 'develop' of https://github.com/patientview/patientview into feature/337-View-Log-Page-Amendments
RPV-332 - Error in log when a new patient has joined Radar
set log unit code to correct patient.getRenalUnit().getUnitCode() in radar
RPV-332 - Radar NHS number validation not same as patientview (updated version)
cleans NHS number before allowing it to be saved (similar to patientview and importer), note: testing NHS number after modifying it (as currently) is not advisable
RPV-340 - Radar NHS number validation not same as patientview (updated version)
correct RPV-340 in log
Moved the versions for the 1.2 release
Merge branch 'develop' of https://github.com/PatientView/patientview into develop
Merge pull request #70 from PatientView/feature/430-graphing-min-max

Card #430
RPV-330 - On patientview add patient success, "GP Logon Details" link gives blank details
added back in session set for gp and gp usermapping (required for gp logon details page and mistakenly removed from dev)
Merge pull request #71 from PatientView/feature/430-graphing-min-max

Card #430
Merge pull request #72 from PatientView/bug/RPV-330

RPV-330 - On patientview add patient success, "GP Logon Details" link gi...
RPV-340
Reverted to previous logging of patient.getUnitcode()
Merge pull request #68 from PatientView/bug/RPV-340

Bug/rpv 340
RPV-345 - View patient blank screen
getting patients by NHS number can now be done either specialty specific or across all patients, view patient now uses specialty specific get by nhs number to get patient details, avoiding blank screen bug when no unit details exist for patient selected from non-current specialty