Self-host app store badges to reduce number of connections

These are so rarely seen, extra connections on page load are really wasteful there

README.md

@@ -16,7 +16,7 @@ Please note that the above instructions set up an *unencrypted* relay, and all y
 
 You can run Glowing Bear in many ways: use it like any other webpage, as an app in Firefox (choose "Install app" on the landing page) or Chrome ("Tools", then "Create application shortcuts"), or a full-screen Chrome app on Android ("Add to homescreen"). We also provide an [Android app](https://play.google.com/store/apps/details?id=com.glowing_bear) that you can install from the Google Play Store, and a [Firefox OS app](https://marketplace.firefox.com/app/glowing-bear/) in the Firefox Marketplace.
 
-<a href="https://play.google.com/store/apps/details?id=com.glowing_bear"><img alt="Android app on Google Play" src="https://developer.android.com/images/brand/en_app_rgb_wo_45.png" /></a><a href="https://marketplace.firefox.com/app/glowing-bear/"><img alt="Firefox OS app in the Firefox Marketplace" src="https://marketplace.cdn.mozilla.net/media/img/mkt/badges/firefox-marketplace_badge-orange_129_45.png" /></a>
+<a href="https://play.google.com/store/apps/details?id=com.glowing_bear"><img alt="Android app on Google Play" src="/assets/img/badge_playstore.png" /></a><a href="https://marketplace.firefox.com/app/glowing-bear/"><img alt="Firefox OS app in the Firefox Marketplace" src="/assets/img/badge_firefoxos.png" /></a>
 
 ##Screenshots
 

index.html

@@ -188,7 +188,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
               <p>You don't need to install anything to use this app, it should work with any modern browser. Start using it <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">right now</a>! However, there are a few ways to improve integration with your operating system.</p>
               <h3>Mobile Applications</h3>
               <p>If you're running Android 4.4 or later, you can install our app from the Google Play Store! We also provide an optimized application for Firefox OS devices. If you're using the Firefox browser, keep on reading below -- the Firefox OS app won't work for you</p>
-              <p><a href="https://play.google.com/store/apps/details?id=com.glowing_bear"><img alt="Android app on Google Play" src="https://developer.android.com/images/brand/en_app_rgb_wo_45.png" /></a> <a href="https://marketplace.firefox.com/app/glowing-bear/"><img alt="Firefox OS app in the Firefox Marketplace" src="https://marketplace.cdn.mozilla.net/media/img/mkt/badges/firefox-marketplace_badge-orange_129_45.png" /></a></p>
+              <p><a href="https://play.google.com/store/apps/details?id=com.glowing_bear"><img alt="Android app on Google Play" src="assets/img/badge_playstore.png" /></a> <a href="https://marketplace.firefox.com/app/glowing-bear/"><img alt="Firefox OS app in the Firefox Marketplace" src="assets/img/badge_firefoxos.png" /></a></p>
               <h3>Firefox Browser</h3>
               <p>If you have a recent version of Firefox you can install Glowing Bear as a Firefox app. Click the button to install.</p>
               <p><button class="btn btn-lg btn-primary" ng-click="install()">Install Firefox app <i class="glyphicon glyphicon-chevron-right"></i></button></p>