STYLE: changes to Time and TimeState

- update TimeState access methods

- use writeTime() instead of old method name outputTime()

- use deltaTValue() instead of deltaT().value()
  to avoids pointless construct of intermediate

src/sampling/probes/probes.H

@@ -46,7 +46,7 @@ Description
         name            probes;
 
         // Write at same frequency as fields
-        writeControl    outputTime;
+        writeControl    writeTime;
         writeInterval   1;
 
         // Fields to be probed

src/sampling/sampledSurface/sampledSurfaces/sampledSurfaces.H

@@ -41,7 +41,7 @@ Description
         libs    (sampling);
 
         // Write at same frequency as fields
-        writeControl    outputTime;
+        writeControl    writeTime;
         writeInterval   1;
 
         // Fields to be sampled