app/views/application/_la_header.html.erb
<nav class="navbar-collapse bs-navbar-collapse" role="navigation">
<ul class="nav navbar-nav">
<li>
<a href="/lab_assistants/dashboard">Lab Assistant Dashboard Menu</a>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li>
<%= link_to "Log Out", destroy_lab_assistant_session_path, method: :delete, class: "logout" %>
</li>
</ul>
</nav>