Performance improvements, refactoring of multi-tenant support, split Alias and Tenant entities for cleaner separation of concerns, create an additional site during installation for demonstratng multitenancy

Oqtane.Shared/Models/Alias.cs

@@ -0,0 +1,41 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Oqtane.Models
+{
+    public class Alias
+    {
+        public int AliasId { get; set; }
+        public string Name { get; set; }
+        public int TenantId { get; set; }
+        public int SiteId { get; set; }
+
+        [NotMapped]
+        public string Scheme { get; set; }
+
+        [NotMapped]
+        public string Url
+        {
+            get
+            {
+                return Scheme + "://" + Name;
+            }
+        }
+
+        [NotMapped]
+        public string Path
+        {
+            get
+            {
+                if (Name.Contains("/"))
+                {
+                    return Name.Substring(Name.IndexOf("/") + 1);
+                }
+                else
+                {
+                    return "";
+                }
+            }
+        }
+
+    }
+}