Changed index.js to not require the parameter "type" when calling thi…

…s.getLocations.

This allows compatibility with older DirecTV STBs.  Please see
cmrust#2
and
ToddGreenfield/homebridge-directv#17

index.js

@@ -90,6 +90,9 @@ module.exports.Remote = function(ipAddr) {
         if (typeof type !== 'undefined') {
             options.path = buildQueryString(options.path, { type: type });
         }
+        else
+            options.path = buildQueryString(options.path);
+        }
 
         makeRequest(options, callbackHandler(callback));
     };
@@ -317,4 +320,4 @@ module.exports.Remote = function(ipAddr) {
             return callback(new Error('HTTP request failed: ' + err));
         });
     };
-};
+};