Hide all sub-tabs when page first loads. Makes things look cleaner

EduNetworkBuilder/PersonProfileForm.cs

@@ -77,6 +77,7 @@ namespace EduNetworkBuilder
         {
             Icon = Properties.Resources.NBIco;
             LanguagifyComponents();
+            HideAllTabs();
 
             myTooltip.AutoPopDelay = 5000;
             myTooltip.InitialDelay = 1000;
@@ -311,6 +312,12 @@ namespace EduNetworkBuilder
             tcTreeData.SelectedIndex = 0;
         }
 
+        private void HideAllTabs()
+        {
+            foreach (TreeDataTab one in Enum.GetValues(typeof(TreeDataTab)))
+            HideTabPage(one);
+        }
+
         private void HideTabPage(TreeDataTab What)
         {
             TabPage Tab = null;