Allow overwrite ofa hosted feature service by all members of group with update capability enabled

Idea created by cw_jennifer.dimiceli on May 9, 2016

    When a group is created in AGOL with the option to enable update of all items shared with the group by all group members, this update capability should include the ability to overwrite feature layers shared with the group. Currently, it is only possible for the item owner or those with administrative privileges to overwrite the feature layer.