Implement presence indicators

client/components/users/userHeader.jade

@@ -0,0 +1,27 @@
+template(name="headerUserBar")
+  a#header-user-bar.js-open-header-member-menu
+    .header-user-bar-name
+      i.fa.fa-chevron-down
+      if currentUser.profile.name
+        = currentUser.profile.name
+      else
+        = currentUser.username
+    +userAvatar(user=currentUser)
+
+template(name="memberMenuPopup")
+  ul.pop-over-list
+    li: a(href="{{pathFor route='Profile' username=currentUser.username}}") {{_ 'profile'}}
+    li: a.js-language {{_ 'language'}}
+    li: a(href = "{{pathFor route='Settings'}}") {{_ 'settings'}}
+  hr
+  ul.pop-over-list
+    li: a.js-logout {{_ 'log-out'}}
+
+template(name="setLanguagePopup")
+  ul.pop-over-list
+    each languages
+      li(class="{{# if isCurrentLanguage}}active{{/if}}")
+        a.js-set-language
+          = name
+          if isCurrentLanguage
+            i.fa.fa-check