fix emitter module wrong reference

juliangruber#5

index.js

@@ -19,7 +19,7 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-var Emitter = require('emitter');
+const Emitter = require("emitter-component");
 
 function Stream() {
   Emitter.call(this);