Created simpleFoam case from the motorBike mesh tutorial.

Moved the snappyHexMesh tutorials to the appropriate solver directories and created links.

tutorials/incompressible/simpleFoam/motorBike/0/U

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volVectorField;
+    location    "0";
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#include        "initialConditions"
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform $flowVelocity;
+
+boundaryField
+{
+    #include "fixedInlet"
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      uniform (0 0 0);
+        value           $internalField;
+    }
+
+    lowerWall
+    {
+        type            fixedValue;
+        value           uniform (20 0 0);
+    }
+
+    "motorBike_.*"
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+
+    #include "frontBackUpperPatches"
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/simpleFoam/motorBike/0/fixedInlet

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+inlet
+{
+    type  fixedValue;
+    value $internalField;
+}
+
+// ************************************************************************* //