Revert "Temporarily remove dependency on Groovy docs"
Revert "Temporarily remove dependency on Groovy docs"

This reverts commit 510b6977218ba0f5a9ee8dc1a5c563cbc1588428.

blindpirate/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle