Added client arguments interceptor in options

[ejmarino]

Added 'argsInterceptor' property in options. This allows specify a function that will be called before calling to every listener, passing 'arguments' variable as a parameter. This allows to modify arguments before reach the listener function. This is useful to fix objects returned by Json.NET when options in SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Serialize. This allows Json.NET to serialize complex objects with loop references.

This is an example of argsInterceptor function (in typescript):

 argsInterceptor: (args: IArguments): void => {
                for (var i = 0; i < args.length; i++) {
                    if (typeof args[i] === 'object') {
                        handleReferenceLoop(args[i]);
                    }
                }
            },

This is an implementacion of handleReferenceLoop function:

function handleReferenceLoop(g: any): boolean {
        if (typeof g['$id'] === 'undefined') return false;
        var ids = {};
        function relink(s: any): void {
            // we care naught about primitives
            if (s === null || typeof s !== 'object') { return s; }

            var id = s['$id'];
            delete s['$id'];

            // either return previously known object, or
            // remember this object linking for later
            if (ids[id]) return ids[id];

            ids[id] = s;

            // then, recursively for each key/index, relink the sub-graph
            if (s.hasOwnProperty('length')) {
                // array or array-like; a different guard may be more appropriate
                for (var i = 0; i < s.length; i++) s[i] = relink(s[i]);
            } else {
                // other objects
                for (var p in s) {
                    if (s.hasOwnProperty(p)) s[p] = relink(s[p]);
                }
            }
        }
        relink(g);
        return true;
    }

(see: http://stackoverflow.com/questions/21686499/how-to-restore-circular-references-e-g-id-from-json-net-serialized-json)