add config for PFEM3D libs

cfg/clifton/gmsh.profile

 
 add2env PATH "/opt/gmsh/bin" front
-add2env LD_LIBRARY_PATH "/opt/gmsh/lib"
-add2env PYTHONPATH "/opt/gmsh/lib"
+add2env INCLUDE "/opt/gmsh/include" front
+add2env LIB "/opt/gmsh/lib" front
+add2env LD_LIBRARY_PATH "/opt/gmsh/lib" front
+add2env PYTHONPATH "/opt/gmsh/lib" front

cfg/clifton/leanVtk.profile

+add2env LeanVTK_DIR /opt/lean-vtk/lib/LeanVTK-1.0/

cfg/clifton/sol2.profile

+add2env Sol2_DIR /opt/sol2/lib/cmake/sol2/