ENH: Reinstated the wallBoundedStreamline function object

Note: performs its own tracking and does not rely on the base
particle::trackXXX functions, and uses a local particle position.

Look to update to barycentric tracking in the future.

tutorials/incompressible/simpleFoam/motorBike/system/controlDict

@@ -47,6 +47,7 @@ runTimeModifiable true;
 functions
 {
     #include "streamLines"
+    #include "wallBoundedStreamLines"
     #include "cuttingPlane"
     #include "forceCoeffs"
     #include "ensightWrite"