Upgrade grails version to 2.3.7
Upgrade grails version to 2.3.7

thehyve/Rmodules,UMich-Transmart/Rmodules,transmart/Rmodules,UMich-Neptune-Transmart/Rmodules,transmart/Rmodules,thehyve/heim-Rmodules,wimvanderlinden/Rmodules,transmart/Rmodules,baumjamin/Rmodules,wimvanderlinden/Rmodules,transmart/Rmodules,thehyve/Rmodules,thehyve/heim-Rmodules,UMich-Transmart/Rmodules,UMich-Neptune-Transmart/Rmodules,thehyve/heim-Rmodules,thehyve/heim-Rmodules,baumjamin/Rmodules,thehyve/Rmodules,UMich-Neptune-Transmart/Rmodules,baumjamin/Rmodules,UMich-Transmart/Rmodules,wimvanderlinden/Rmodules,cdejonge/Rmodules,UMich-Transmart/Rmodules,cdejonge/Rmodules,cdejonge/Rmodules,wimvanderlinden/Rmodules,thehyve/Rmodules,baumjamin/Rmodules,cdejonge/Rmodules,UMich-Neptune-Transmart/Rmodules