1.commented out test connection duplicate method
2.added link between reporttemplate and data
element-hbm-pojo-liqubase(methods not yet added)
Changed the dataelement and reporttemplate link to a many to many
relationship-changed hbm.xml's and pojos and updated the liquibase
BuildDB seems to be fully operational.
Also adding ChangeRecord for UpdateDB.
Fixed DataElement and ReportTemplate hbms for proper capitalization
Fix npe when building org unit tree in a multi-rooted tree