COR-310: Change the version of the JDBC Driver used for DB2
COR-309: Change the version of the JDBC Driver used for MSSQL
COR-311: Prevent delete user using listener
JCR-2221: Upgrade to Groovy 1.8.9 (code)
COR-312 : Remove Db2-MYS dialect
COR-314: Refactor OrganizationDatabaseInitializer to be better extensible
COR-313: Add updateUsers option to OrganizationDatabaseInitializer
Merge branch 'feature/COR-312'
COR-315: Allow querying only the disabled users