Card #16 - added example XML files as provided by LEAP
Card #16 - add/remove usermapping with ECS unit on opt in/opt out
Card #16 - UnitUtils.ECS_UNITCODE constant
Card #16 - hide ECS unit in patient contact page
Card #16 - nhsnumber added to ECS usermapping (based on first existing usermapping)
Card #16 - testProcessECS passes
Card #16 - testProcessECS full test with 4 xml files (3 from LEAP, 1 created by us)
Card #16 - sort ECS medicines by date
Merge pull request #148 from PatientView/feature/16-ECR-integration

Feature/16 ecr integration