Merge pull request #898 from m-voloshin/tooltip-fix-layer

Adjustment for layer order

css/_videolayout_default.scss

+.video-wrapper {
+    position: relative;
+    z-index: 1;
+}
+
 #videospace {
     display: block;
     position: absolute;

index.html

         </div>
         <!--#include virtual="plugin.welcomepage.footer.html" -->
     </div>
-    <div id="videoconference_page">
+    <div id="videoconference_page" class="video-wrapper">
         <div id="mainToolbarContainer">
                 <div id="notice" class="notice" style="display: none">
                     <span id="noticeText" class="noticeText"></span>