Update docs

etc/config.sh/CGAL

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/CGAL
+#     etc/config.sh/CGAL
 #
 # Description
 #     Setup file for CGAL (& boost) include/libraries.

etc/config.sh/ensight

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/ensight
+#     etc/config.sh/ensight
 #
 # Description
 #     Setup file for Ensight

etc/config.sh/gperftools

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/gperftools
+#     etc/config.sh/gperftools
 #
 # Description
 #     Setup file for gperftools binaries libraries.

etc/config.sh/metis

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/metis
+#     etc/config.sh/metis
 #
 # Description
 #     Setup file for metis include/libraries.

etc/config.sh/paraview

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/paraview
+#     etc/config.sh/paraview
 #
 # Description
 #     Setup file for paraview-[3-5].x

etc/config.sh/scotch

@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     config.sh/scotch
+#     etc/config.sh/scotch
 #
 # Description
 #     Setup file for scotch include/libraries.