Making the specs/features of core behave properly with the plugin.

 To make the core-features/specs run through, I added a fix to skip
showing the contents of the members-block, when there are no members.
Also disabled the "Show Projects"-Feature, as this one uses the
layout/features of the original/non-customisable Project-Overview.

The specs/features of core now run through in core in conjunction with
this plugin.