[Paraview] Superbuild repo change?

[Fabian Wein]

> I did a fresh pull of the ParaView superbuild repository, and now I can’t do a clean build of PV 5.2.0 on my Mac (OSX 10.9.5).   
> 
> First, I had to remove the entries for “qt” and “scipy“ in the CMakeLists.txt:
..

> After removing those entries, the cmake completes and the build starts and passes out in qt4.   
> I’m not sure why it’s complaining about OS X 10.7 or later?)

For recent OS X qt4 is known to not compile. Use qt5 and it works (macOS 10.12)

Fabian