Moved the welcome plugin announcements into the plugin configuration

EF optimizations for webfront requests
removed FindAll command and moved it's functionality into find
fixed undefined link on admin page

SharedLibrary/Helpers/ConfigurationManager.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.CSharp.RuntimeBinder;
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 
@@ -54,6 +55,11 @@ namespace SharedLibrary.Helpers
                 return ConfigSet[prop].ToObject<T>();
             }
 
+            catch (RuntimeBinderException)
+            {
+                return ConfigSet[prop];
+            }
+
             catch (Exception)
             {
                 return default(T);