Store the account type ("hydra" or "persona") explicitly in the database

src/root/layout.tt

@@ -96,7 +96,7 @@
         <small>
           <em><a href="http://nixos.org/hydra" target="_blank">Hydra</a> [% HTML.escape(version) %] (using [% HTML.escape(nixVersion) %]).</em>
           [% IF c.user_exists %]
-          You are signed in as <tt>[% HTML.escape(c.user.username) %]</tt>.
+          You are signed in as <tt>[% HTML.escape(c.user.username) %]</tt>[% IF c.user.type == 'persona' %] via Persona[% END %].
           [% END %]
         </small>
       </footer>
@@ -113,7 +113,7 @@
       }
     </script>
 
-    [% IF c.user_exists && c.user.password != '!' %]
+    [% IF c.user_exists && c.user.type == 'hydra' %]
       <script>
         $("#persona-signout").click(doLogout);
       </script>

src/root/topbar.tt

@@ -128,7 +128,7 @@
       </li>
       <li class="divider"></li>
       <li>
-        <a href="[% c.uri_for('/login') %]">Sign in with a Hydra user name</a>
+        <a href="[% c.uri_for('/login') %]">Sign in with a Hydra account</a>
       </li>
     [% END %]
   [% END %]

src/root/user.tt

@@ -34,7 +34,7 @@
       </div>
     </div>
 
-    [% IF !create && user.password != '!' %]
+    [% IF !create && user.type == 'hydra' %]
     <div class="control-group">
       <label class="control-label">Password</label>
       <div class="controls">
@@ -101,7 +101,7 @@
         <i class="icon-ok icon-white"></i>
         [%IF create %]Create[% ELSE %]Apply changes[% END %]
       </button>
-      [% IF !create && c.check_user_roles('admin') && user.password != '!' %]
+      [% IF !create && c.check_user_roles('admin') && user.type == 'hydra' %]
         <button id="reset-password" type="submit" class="btn btn-warning" name="submit" value="reset-password">
           <i class="icon-trash icon-white"></i>
           Reset password