don't use groovy plugin in top-level build
don't use groovy plugin in top-level build

allows grails binary download to persist between cleans

also doesn't produce a spurious jar artifact

variacode/rundeck,variacode/rundeck,patcadelina/rundeck,variacode95/rundeck,paul-krohn/rundeck,jgpacker/rundeck,jgpacker/rundeck,jgpacker/rundeck,tjordanchat/rundeck,rundeck/rundeck,patcadelina/rundeck,patcadelina/rundeck,jamieps/rundeck,rophy/rundeck,damageboy/rundeck,variacode/rundeck,rophy/rundeck,variacode95/rundeck,jamieps/rundeck,rundeck/rundeck,rophy/rundeck,patcadelina/rundeck,variacode95/rundeck,damageboy/rundeck,variacode/rundeck,damageboy/rundeck,tjordanchat/rundeck,rundeck/rundeck,variacode95/rundeck,variacode/rundeck,jamieps/rundeck,rundeck/rundeck,rophy/rundeck,paul-krohn/rundeck,tjordanchat/rundeck,damageboy/rundeck,paul-krohn/rundeck,rundeck/rundeck,paul-krohn/rundeck,jgpacker/rundeck,jamieps/rundeck,tjordanchat/rundeck