- Database namespace is now NadekoBot.Db

- Db related code is now in src/NadekoBot/Db
- Finished major part of the db refactor, but many optimizations are left to be made

src/NadekoBot/Db/Models/CommandAlias.cs

@@ -0,0 +1,25 @@
+namespace NadekoBot.Core.Services.Database.Models
+{
+    public class CommandAlias : DbEntity
+    {
+        public string Trigger { get; set; }
+        public string Mapping { get; set; }
+
+        //// override object.Equals
+        //public override bool Equals(object obj)
+        //{
+        //    if (obj == null || GetType() != obj.GetType())
+        //    {
+        //        return false;
+        //    }
+
+        //    return ((CommandAlias)obj).Trigger.Trim().ToLowerInvariant() == Trigger.Trim().ToLowerInvariant();
+        //}
+
+        //// override object.GetHashCode
+        //public override int GetHashCode()
+        //{
+        //    return Trigger.Trim().ToLowerInvariant().GetHashCode();
+        //}
+    }
+}