libwaves.so: Now included in the alpha and U wave BC specification

rather than in controlDict.

tutorials/modules/incompressibleVoF/wave/0/U.orig

@@ -25,19 +25,23 @@ boundaryField
     left
     {
         type            waveVelocity;
+        libs            ("libwaves.so");
     }
+
     right
     {
         type            outletPhaseMeanVelocity;
         UnMean          2;
         alpha           alpha.water;
     }
+
     top
     {
         type            pressureInletOutletVelocity;
         tangentialVelocity  $internalField;
         value           $internalField;
     }
+
     bottom
     {
         type            noSlip;

tutorials/modules/incompressibleVoF/wave/0/alpha.water.orig

@@ -26,12 +26,14 @@ boundaryField
     {
         type            zeroGradient;
     }
+
     left
     {
         type            waveAlpha;
-        U               U;
+        libs            ("libwaves.so");
         inletOutlet     true;
     }
+
     top
     {
         type            inletOutlet;

tutorials/modules/incompressibleVoF/wave/system/controlDict

@@ -54,11 +54,6 @@ maxAlphaCo      1;
 
 maxDeltaT       1;
 
-libs
-(
-    "libwaves.so"
-);
-
 functions
 {
     interfaceHeight1