add ability to set position of NiceSprite at create time

lib/nice-sprite.js

@@ -8,8 +8,8 @@ import NiceImage from './nice-image.js';
 
 export default class NiceSprite {
 
-  constructor ( ) {
-    this.position = { x: 0, y: 0 };
+  constructor (position = { x: 0, y: 0 }) {
+    this.position = position;
   }
 
   async load (url, width, height) {

release

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ -z "$1" ]
+then
+  echo "Must specify the release type: major, minor, patch"
+  exit;
+fi
+
+git checkout develop
+yarn version --$1
+git push origin develop
+
+git checkout master
+git pull . develop
+git push origin master
+
+git checkout develop