LPS-29500 A site administrator can specify whether child sites can display content from the current site
LPS-29500 Source formatting (I will update the code in TrashImpl.java and recycle_bin.jsp in a later commit)
LPS-29500 Lang keys
Source formatting - rename vars in TrashImpl.java and recycle_bin.jsp based on 7b5dd548a1508980c78e7f390f15073b149bc85a