Remove CGAL (for Dolfin 1.4++)

Conflicts:
	dolfin.rb
Remove UFC (for Dolfin 1.4++)

Conflicts:
	dolfin.rb
Update to 1.4.  Rename hypre.

Conflicts:
	dolfin.rb
	hypre-old.rb
Continue polishing

Conflicts:
	README.md
Add caveat for dolfin.conf