RPV-264 Order of disease groups
intial test code for CommonUtils, copy of UserUtilsTest.java
CommonUtils and test code updated to match #403 5 step NHS number validation
Allow pseudo NHS number validation by ignoring numeric-only and checksum validation steps
Merge branch 'develop' of https://github.com/patientview/patientview into feature/194-nhsnumber-validation

Conflicts:
	patientview-parent/radar/src/main/java/org/patientview/radar/dao/impl/DiseaseGroupDaoImpl.java
clean NHS number on import of XML
Validates patient exists in unit during import
Merge pull request #24 from PatientView/feature/194-nhsnumber-validation

Feature/194 nhsnumber validation