Naming confusion about ODataSimplified

[xuzhg]

ODataSimplified is used in:

1. odata.net/src/Microsoft.OData.Core/UriParser/ODataUrlConventions.cs

   Line 58 in cae9bbb

   public static ODataUrlConventions ODataSimplified

2. odata.net/src/Microsoft.OData.Core/ODataMessageReaderSettings.cs

   Line 249 in cae9bbb

   public bool ODataSimplified { get; set; }

But, the meaning is different. Please verify and rename them.

Same as "KeyAsSegment".