Merge branch 'master' of github.com:OpenFOAM/OpenFOAM-dev

etc/caseDicts/postProcessing/graphs/singleGraph

@@ -15,8 +15,12 @@ start   (0 1e-06 0);
 end     (1 1e-06 0);
 fields  (U p);
 
+// Sampling and I/O settings
 #includeEtc "caseDicts/postProcessing/graphs/sampleDict.cfg"
 
+// Override settings here, e.g.
+// setConfig { type midPoint; }
+
 // Must be last entry
 #includeEtc "caseDicts/postProcessing/graphs/graph.cfg"