Add vtksys as private link depends

Update Catalyst edtions to reflect private link changes
in VTK and rest of ParaView.

Change-Id: I1a7d5af7545815c8adf1b8d725abc828f758419e
Merge topic '0014239-fix-catalyst-private-link' into next

2037113 Add vtksys as private link depends
Trying to fix Nektar reader plugin for installation and packaging.

The Nektar reader plugin doesn't get packaged properly so
following other plugins to do modules for dependent libraries and
separate directory for the actual plugin code itself.

Change-Id: Ic4a2c222e2790e9e6219d3b50bd31206b535177d
Merge topic '14240_nektar_plugin_packaging' into next

b3b1750 Trying to fix Nektar reader plugin for installation and packaging.