tutorials: Upgraded all of the blockMeshDict files to the new format

Upgraded other files as necessary for consistency with the blockMeshDict, in
particular cases with cyclic patches.

tutorials/discreteMethods/dsmcFoam/freeSpaceStream/constant/polyMesh/blockMeshDict

@@ -34,28 +34,37 @@ blocks
     hex (0 1 2 3 4 5 6 7) (20 16 16) simpleGrading (1 1 1)
 );
 
-patches
+boundary
 (
-    patch
     outlet
-    (
-        (1 2 6 5)
-    )
+    {
+        type patch;
+        faces
+        (
+            (1 2 6 5)
+        );
+    }
 
-    patch
     inlet
-    (
-        (0 4 7 3)
-    )
+    {
+        type patch;
+        faces
+        (
+            (0 4 7 3)
+        );
+    }
 
-    patch
     sides
-    (
-        (2 3 7 6)
-        (0 1 5 4)
-        (4 5 6 7)
-        (0 3 2 1)
-    )
+    {
+        type patch;
+        faces
+        (
+            (2 3 7 6)
+            (0 1 5 4)
+            (4 5 6 7)
+            (0 3 2 1)
+        );
+    }
 )
 
 mergePatchPairs