resolved UI error when closing Event Log and Visitor Management, made button class consistent in Recycle Bin, refactored RichTextEditor, made use of ConfigManager consistently throughout framework, added support for deleted Sites, removed reference to Runtime in Startup as it is now set per Site, added versioning to Html/Text, added Meta tag support to Page Management

Oqtane.Shared/Models/Page.cs

@@ -61,7 +61,12 @@ namespace Oqtane.Models
         /// Reference to a Container which will be used for modules on this page.
         /// </summary>
         public string DefaultContainerType { get; set; }
-        
+
+        /// <summary>
+        /// Meta tags to be included in the head of the page
+        /// </summary>
+        public string Meta { get; set; }
+
         /// <summary>
         /// Icon file for this page.
         /// TODO: unclear what this is for, and what icon library is used. Probably FontAwesome?