Revert "use g-d-m version 2.0.3.BUILD-SNAPSHOT"

This reverts commit 6ea4108749031a8220585847046093c2c2410f0e.
Revert "Revert "use g-d-m version 2.0.3.BUILD-SNAPSHOT""

This reverts commit 41c7fb8a2a1766850d4092cb4a145e1f98fbdef2.
GRAILS-10728 - improve collection binding
Merge branch '2.3.x'
GRAILS-10449 - use Groovy 2.2.0-rc3