STYLE: change MeshedSurface 'faces' access to 'surfFaces' (related to issue #104)

- use surfFaces() to return the templated list of faces.
  This frees up the method 'faces()' to be used as a virtual method,
  which will be needed at a later stage.

src/randomProcesses/Make/options

@@ -7,5 +7,4 @@ EXE_INC = \
 LIB_LIBS = \
     -L$(FFTW_ARCH_PATH)/lib$(WM_COMPILER_LIB_ARCH) -lfftw3 \
     -lfiniteVolume \
-    -lsampling \
-    -lsurfMesh
+    -lsampling

src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C

@@ -295,7 +295,7 @@ Foam::scalar surfaceNoise::writeSurfaceData
                 outDir,
                 fName,
                 surf.points(),
-                surf.faces(),
+                surf.surfFaces(),
                 title,
                 allData,
                 false
@@ -318,7 +318,7 @@ Foam::scalar surfaceNoise::writeSurfaceData
             outDir,
             fName,
             surf.points(),
-            surf.faces(),
+            surf.surfFaces(),
             title,
             data,
             false