new twitter upload with birdhouse example

app.js

    function sendTwitterImage(_callback, _params) {
        var contents = null;
        var IMAGE_NOT_FOUND = {
            success : false,
            message : "No image provided"
        };
        // get the content
        if(_params.image && ( typeof _params.image === "object")) {
            contents = _params.image;
        } else if(_params.image) {
            var file = Ti.Filesystem.getFile(_params.image);
            if(file.exists === false) {
                return IMAGE_NOT_FOUND;
            }
            contents = file.read();
        } else {
            return IMAGE_NOT_FOUND;
        }

        BH.sendTwitterImage({
            'status' : _params.status,
            'media' : contents
        });

    }