(GH-1267) API - get configuration

After configuring a request in the API, it would be helpful to have a
way to see the configuration that is set up.

src/chocolatey/GetChocolatey.cs

@@ -272,6 +272,11 @@ private ChocolateyConfiguration create_configuration(IList<string> args)
             return configuration;
         }
 
+        public ChocolateyConfiguration GetConfiguration()
+        {
+            return create_configuration(new List<string>());
+        }
+
         private void extract_resources()
         {
             //refactor - thank goodness this is temporary, cuz manifest resource streams are dumb