Move from custom build system to rollup + closure compiler (#21)

* Move from custom build system to rollup + closure compiler
* Move to 0.13.0 for ampproject/rollup-plugin-closure-compiler

Author: kristoferbaxter

docs/demo/expand/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const duration = 600;
 const curve = {x1: 0.42, y1: 0, x2: 0.58, y2: 1};

docs/demo/gallery/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const duration = 350;
 const curve = {x1: 0, y1: 0, x2: 0.2, y2: 1};

docs/demo/hero/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const duration = 600;
 const curve = {x1: 0.8, y1: 0, x2: 0.2, y2: 1};

docs/demo/lightbox/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const lightbox = document.getElementById('lightbox');
 const lightboxImgContainer = document.getElementById('lightboxImgContainer');

docs/demo/pan/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const srcImg = document.querySelector('.panorama-start');
 const targetImg = document.querySelector('.panorama-end');

docs/demo/zoom-crop/index.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const duration = 600;
 const curve = {x1: 0.8, y1: 0, x2: 0.2, y2: 1};

docs/tools/img-cropper/index.js

@@ -17,7 +17,7 @@
 import './dragger.js';
 import './dropper.js';
 import {generateMarkup} from './generate-markup.js';
-import {prepareImageAnimation} from '../../../dist/index.js';
+import {prepareImageAnimation} from '../../../dist/animations.mjs';
 
 const imgContainer = document.querySelector('.src-img-container');
 const origImg = document.querySelector('.target');