Added symmetric sphere case

Author: johnmoore4

Demo/SymmetricSphere/MeshOpt.config

@@ -0,0 +1,14 @@
+CaseParameters{
+	gmshFileName = SphereSymmetry.msh;
+	stepFileName = /home/john/Dropbox/Rhino3D/SolidSphere/Sphere25CSymmetry.stp;
+}
+
+BLParameters{
+	thickness = 0.2;
+	NLayers = 3;
+}
+
+HighOrderParameters{
+	order = 2;
+	targetMinQuality = 0.8;
+}