<footer>
  <div class="container-fluid">
    <div class="row">
      <div class="col-md-7">&copy; <%= link_to(t('mezuro_team'), '/humans.txt') %> 2013-2015</div>
      <div class="col-md-5">
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-2"><%= link_to(image_tag('agplv3-88x31.png'), 'http://www.gnu.org/licenses/agpl-3.0-standalone.html') %></div>
            <div class="col-md-2"><%= link_to image_tag('fork-me.png'), 'https://github.com/mezuro/prezento' %></div>
            <div class="col-md-2"><%= image_tag 'usp-cloud-nuvem-logo.png' %></div>
            <div class="col-md-6"><%= link_to image_tag('banner-ccsl.png', height: '40', width: '190'), 'http://ccsl.ime.usp.br/' %></div>
          </div>
        </div>
      </div>
    </div>
  </div>
</footer>

<footer>
  <div class="container-fluid">
    <div class="row">
      <div class="col-md-7">&copy; <%= link_to(t('mezuro_team'), '/humans.txt') %> 2013-2016</div>
      <div class="col-md-5">
        <div class="container-fluid">
          <div class="row">
            <div class="col-md-2"><%= link_to(image_tag('agplv3-88x31.png'), 'http://www.gnu.org/licenses/agpl-3.0-standalone.html') %></div>
            <div class="col-md-2"><%= link_to image_tag('fork-me.png'), 'https://github.com/mezuro/prezento' %></div>
            <div class="col-md-2"><%= image_tag 'usp-cloud-nuvem-logo.png' %></div>
            <div class="col-md-6"><%= link_to image_tag('banner-ccsl.png', height: '40', width: '190'), 'http://ccsl.ime.usp.br/' %></div>
          </div>
        </div>
      </div>
    </div>
  </div>
</footer>

Update copyright year to 2013-2016
Update copyright year to 2013-2016
