XMPP configuration form

Currently relies on SRV being set, or the JID's hostname being the server
hostname and the port being default. Future work: Allow manual
configuration of user name, hostname, and port.

templates/configurators/main.hamlet

@@ -7,3 +7,10 @@
      <p>
        Distribute the files in this repository to other devices, #
        make backups, and more, by adding repositories.
+    <div .span4>
+      <h3>
+        <a href="@{XMPPR}">
+          Configure jabber account
+     <p>
+       Allow devices that are not in direct contact to keep in touch, #
+       by configuring a jabber account.

templates/configurators/xmpp.hamlet

@@ -2,22 +2,21 @@
   <h2>
     Configuring jabber account
   <p>
-    A jabber account is used by git-annex to communicate changes between #
-    repositories. It can also be used to pair up with a friend's repository, #
-    if you want to. It's fine to reuse an existing account; git-annex won't #
+    A jabber account is used to communicate between #
+    devices that are not in direct contact. #
+    It can also be used to pair up with a friend's repository, if desired.
+  <p>
+    It's fine to reuse an existing jabber account; git-annex won't #
     post any messages to it.
   <p>
-    <i .icon-info-sign></I> If you have a Gmail account, you can use #
-    Google Talk. Just enter your full Gmail address (<tt>you@gmail.com</tt>) #
-    and password below.
-  $if needserver
-    <p>
-      <i .icon-warning-sign></i> Unable to find a Jabber server for #
-      <tt>#{jid}</tt>. Please enter the server name and port below.
-  $if connectfail
-    <p>
+    $if problem
       <i .icon-warning-sign></i> Unable to connect to the Jabber server. #
       Maybe you entered the wrong password?
+    $else
+      <i .icon-user></I> If you have a Gmail account, you can use #
+      Google Talk. Just enter your full Gmail address #
+      <small>(<tt>you@gmail.com</tt>)</small> #
+      and password below.
   <p>
     <form .form-horizontal enctype=#{enctype}>
       <fieldset>

templates/configurators/xmpp/disabled.hamlet

@@ -0,0 +1,5 @@
+<div .span9 .hero-unit>
+  <h2>
+    Jabber not supported
+  <p>
+    This build of git-annex does not support Jabber. Sorry!