GROOVY-9489: package.html fix (corrected for subprojects)
GROOVY-9489: package.html fix (corrected for subprojects)

apache/groovy,apache/incubator-groovy,apache/incubator-groovy,paulk-asert/incubator-groovy,paulk-asert/incubator-groovy,paulk-asert/groovy,paulk-asert/groovy,paulk-asert/groovy,apache/incubator-groovy,apache/groovy,apache/groovy,apache/incubator-groovy,paulk-asert/incubator-groovy,paulk-asert/incubator-groovy,paulk-asert/incubator-groovy,apache/groovy,paulk-asert/groovy