Bump cache version

Otherwise the last change won't propagate.

Change-Id: Ia2f849ee17687b5aca4bddf63fc7e22366c802f0
diff --git a/sw.js b/sw.js
index 6dcaaa7..a718ec4 100644
--- a/sw.js
+++ b/sw.js
@@ -1,4 +1,4 @@
-var CACHE_NAME = 'linia-cache-v1.0.2';
+var CACHE_NAME = 'linia-cache-v1.0.3';
 var urlsToCache = [
   '.',
   'js/index.js',