only trigger update notification on upgrade, bump version, update dev changelog

changelog.html

@@ -1,3 +1,9 @@
+<span>xx.xx.2014 - 0.51</span>
+<p>
+    - Small global UI revamp to utilize space little bit better<br />
+    - Online Firmware can be saved locally<br />
+    - Added missing model information for custom model<br />
+</p>
 <span>08.31.2014 - 0.50</span>
 <p>
     - Small UI revamp for Firmware Flasher<br />

eventPage.js

@@ -75,11 +75,11 @@ chrome.app.runtime.onLaunched.addListener(function () {
 
 chrome.runtime.onInstalled.addListener(function (details) {
     if (details.reason == 'update') {
-        var previousVersionArr = details.previousVersion.split('.');
-        var currentVersionArr = chrome.runtime.getManifest().version.split('.');
+        var previousVersionArr = details.previousVersion.split('.'),
+            currentVersionArr = chrome.runtime.getManifest().version.split('.');
 
         // only fire up notification sequence when one of the major version numbers changed
-        if (currentVersionArr[0] != previousVersionArr[0] || currentVersionArr[1] != previousVersionArr[1]) {
+        if (currentVersionArr[0] > previousVersionArr[0] || currentVersionArr[1] > previousVersionArr[1]) {
             chrome.storage.local.get('update_notify', function (result) {
                 if (result.update_notify === 'undefined' || result.update_notify) {
                     var manifest = chrome.runtime.getManifest();

manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "minimum_chrome_version": "36",
-    "version": "0.50",
+    "version": "0.51",
 
     "author": "cTn",
     "name": "Baseflight - Configurator",