replaced "inside" by "present"

fixes #11

src/app/views/base.twig

@@ -43,7 +43,7 @@
           </ul>
           <ul class="nav navbar-nav navbar-right">
             {% if level2.open %}
-              <li class="status status-open"><a>We're Open &middot; {{ level2.people }} hacker{% if level2.people > 1 %}s{% endif %} inside</a></li>
+              <li class="status status-open"><a>We're Open &middot; {{ level2.people }} hacker{% if level2.people > 1 %}s{% endif %} present</a></li>
             {% else %}
               <li class="status status-closed"><a>We're Closed</a></li>
             {% endif %}