main interface ok

added grunt-svg2png and set svg 2 png fall back mixin
added bubbles and stars
added nav_pos move on chapter preview

sites/all/themes/gui/jee/manifest.webapp

@@ -0,0 +1,21 @@
+{
+  "name": "Jeunes et engagés",
+  "short_name": "Jee",
+  // "icons": [{
+  //       "src": "icon/lowres",
+  //       "sizes": "64x64",
+  //       "type": "image/webp"
+  //     }, {
+  //       "src": "icon/hd_small",
+  //       "sizes": "64x64"
+  //     }, {
+  //       "src": "icon/hd_hi",
+  //       "sizes": "128x128",
+  //       "density": 2
+  //     }],
+  // "scope": "/racer/",
+  // "start_url": "/racer/start.html",
+  "display": "fullscreen",
+  "orientation": "landscape",
+  "chrome": { "navigation": true }
+}