Merge pull request #207 from robworth/feature/add-new-radar-patients

RPV-132 - Fix for removing the email verification table out of the query...
Missing exclusion of of PATIENT mappings.  Fixed the count of patients in unit
Make join on patient table LEFT JOIN
Display number of log results
Merge pull request #208 from robworth/bug/patients-in-unit

Make join on patient table LEFT JOIN
PERFORMANCE FIX & GENERAL BUG: removed the left join to the pv_user_log, need to reimplement.  Also add Rob's left join fix to the duplicate query.
Merge branches 'develop' and 'feature/add-new-radar-patients' of https://github.com/robworth/patientview into feature/add-new-radar-patients
RPV- 126 Added resilience against a letter being loaded by the importer without a date and causing a NPE