ENH: add -suffix option for makeParaView and makeVTK

- simple means of distinguishing between types of builds
  (mesa, mpi, python).

makeParaView.example

@@ -9,6 +9,7 @@ mesa=mesa-13.0.3
 ./makeParaView \
     -mpi=0 \
     -mesa-prefix $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$mesa \
+    -suffix mesa \
     "$@"
 
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