Add copayer list at sidebar, separate snippet and clean video controller code

views/includes/peer-list.html

@@ -0,0 +1,28 @@
+<div ng-controller="VideoController">
+  Icon Copayers
+  {{$root.wallet.requiredCopayers}} of {{$root.wallet.totalCopayers}}
+
+  <ul class="copayer-list" ng-repeat="copayer in copayers">
+    <li>
+      <video
+        ng-if="hasVideo(copayer)"
+        peer="{{copayer}}" avatar autoplay
+        ng-class="isConnected(copayer) ? 'online' : 'offline'"
+        ng-src="{{getVideoURL(copayer)}}"></video>
+
+      <img 
+        class="no-video"
+        ng-if="!hasVideo(copayer)"
+        ng-class="isConnected(copayer) ? 'online' : 'offline'"
+        src="./img/satoshi.gif"
+        alt="{{copayer}}">
+
+      <span
+        tooltip="ID: {{copayer.peerId}}" 
+        tooltip-placement="bottom">
+        <span ng-show="copayer.index == 0">you</span>
+        <span ng-show="copayer.index > 0">{{copayer.nick}}</span>
+      </span>
+    </li>
+  </ul>
+</div>