Initialilzed clock when component receive prop too

If you want restart clock but it is yet mounted it did't work.

Author: dvilchez

coffee/react-countdown-clock.coffee

@@ -23,13 +23,15 @@ module.exports = React.createClass
     seconds: @props.seconds
 
   componentWillReceiveProps: (props) ->
-    @setState seconds: props.seconds
-
-  componentWillMount: ->
     @_setScale()
+    @_setupCanvas()
+    @_drawTimer()
+    @_startTimer()
+    @setState seconds: props.seconds
 
   componentDidMount: ->
-    @_setupCanvas() if !_canvas
+    @_setScale()
+    @_setupCanvas()
     @_drawTimer()
     @_startTimer()