Update: SignalR 2.0.3 Migration; Noticeboards

Migrate all SignalR 1.x Persistent Connections to SignalR 2.x Hubs.
Abstracts ScheduledTaskStatus with core interface and adds a Mock for
optional status reporting. Noticeboards rewritten (with new theme) to be
more resilient and accurate.

Disco.Web/ClientSource/Style/Public/UserHeldDevicesXml_Sharepoint.xslt

@@ -1,23 +1,23 @@
 <?xml version='1.0' ?>
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
   <xsl:output encoding="us-ascii" method="html" indent="yes"  />
-  <xsl:template match="/ArrayOfUserHeldDeviceModel">
+  <xsl:template match="/ArrayOfIHeldDeviceItem">
     <table class="ms-listviewtable" width="100%" border="0" cellSpacing="0" cellPadding="0">
       <tbody>
         <tr class="ms-viewheadertr ms-vhltr">
           <th class="ms-vh2">Username</th>
           <th class="ms-vh2">Name</th>
         </tr>
-        <xsl:apply-templates select="UserHeldDeviceModel">
-          <xsl:sort select="UserId" />
+        <xsl:apply-templates select="IHeldDeviceItem">
+          <xsl:sort select="UserIdFriendly" />
         </xsl:apply-templates>
       </tbody>
     </table>
   </xsl:template>
-  <xsl:template match="UserHeldDeviceModel">
+  <xsl:template match="IHeldDeviceItem">
     <tr class="ms-itmhover" style="cursor: default">
       <td class="ms-vb-title ms-vb-firstCell">
-        <xsl:value-of select="UserId"/>
+        <xsl:value-of select="UserIdFriendly"/>
       </td>
       <td class="ms-vb2 ms-vb-lastCell" style="cursor: default">
         <xsl:value-of select="UserDisplayName"/>