Merge pull request #1425 from myxor/patch-2

sleeplog: fix #1423

apps/sleeplog/ChangeLog

@@ -1 +1,2 @@
 0.01: New App!
+0.02: Fix crash on start

apps/sleeplog/boot.js

@@ -90,7 +90,10 @@ if (global.sleeplog.enabled) {
       var storage = require("Storage");
 
       // read previous logfile
-      var log = JSON.parse(atob(storage.read(this.logfile)));
+      var logContent = storage.read(this.logfile) || "";
+
+      // parse previous logfile
+      var log = JSON.parse(logContent.length > 0 ? atob(logContent) : "[]") ;
 
       // remove last state if it was unknown and is less then 10min ago
       if (log.length > 0 && log[0][1] === 0 &&

apps/sleeplog/metadata.json

@@ -2,7 +2,7 @@
   "id":"sleeplog",
   "name":"Sleep Log",
   "shortName": "SleepLog",
-  "version": "0.01",
+  "version": "0.02",
   "description": "Log and view your sleeping habits. This app derived from SleepPhaseAlarm and uses also the principe of Estimation of Stationary Sleep-segments (ESS).",
   "icon": "app.png",
   "type": "app",