Merge with 6.0.3

src/Umbraco.Core/Configuration/GlobalSettings.cs

@@ -154,6 +154,9 @@ namespace Umbraco.Core.Configuration
         /// This will return the MVC area that we will route all custom routes through like surface controllers, etc...
         /// We will use the 'Path' (default ~/umbraco) to create it but since it cannot contain '/' and people may specify a path of ~/asdf/asdf/admin
         /// we will convert the '/' to '-' and use that as the path. its a bit lame but will work.
+		/// 
+        /// We also make sure that the virtual directory (SystemDirectories.Root) is stripped off first, otherwise we'd end up with something
+        /// like "MyVirtualDirectory-Umbraco" instead of just "Umbraco".
         /// </remarks>
         internal static string UmbracoMvcArea
         {
@@ -163,7 +166,7 @@ namespace Umbraco.Core.Configuration
                 {
                     throw new InvalidOperationException("Cannot create an MVC Area path without the umbracoPath specified");
                 }
-                return Path.TrimStart('~').TrimStart('/').Replace('/', '-').Trim();
+			    return Path.TrimStart(SystemDirectories.Root).TrimStart('~').TrimStart('/').Replace('/', '-').Trim().ToLower();
             }
         }