PV-Message appearing in top nav for new user.

Use the user's created datetime column to check the group message showing and related job.
Merge branch 'develop' of https://github.com/patientview/patientview into feature/336-Message-Appearing-New-User

Conflicts:
	patientview-parent/common/src/main/resources/sql/features/25/25.sql
	patientview-parent/radar/src/main/java/org/patientview/radar/dao/impl/UserDaoImpl.java
Merge branch 'develop' of https://github.com/patientview/patientview into feature/336-Message-Appearing-New-User

Conflicts:
	patientview-parent/patientview/src/test/java/org/patientview/test/repository/UnitDaoTest.java
	patientview-parent/radar/src/main/java/org/patientview/radar/dao/impl/UserDaoImpl.java
Merge pull request #46 from PatientView/feature/336-Message-Appearing-New-User

Feature/336 message appearing new user