BUG: fix failing landmark registration test

Update the remote module to better handle scene events.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23226 3bd1e089-480b-0410-8dfb-8563597acbee
ENH: Install Extension Wizard templates

Add rules to install the module/extension templates used by the
Extension Wizard. This makes them available to users that do not have a
source checkout.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23227 3bd1e089-480b-0410-8dfb-8563597acbee