Bugfixes/1.1 snapshot

fix 11 bugs.
1. Date of birth can't be parsed 
2. 87 - PV - More detailed unit staff list 
3. 123 - PV - Standardise properties 
4. 96 - PV - Account page 
5. Cannot edit a patient 
6. PV - GP Logon Details needs style 
7. 106 - Radar - Date of diagnosis: add Unknown 
8. Radar - Medicine panel incorrectly marked as deafness 
9. 138-PV/Radar-Superadmin adds generic Radar group 
10. Insufficient privileges to view a patient 
11. Logon give whoops error