syntax error fixed in application template .erb
</div>
<div class="col-xs-2 col-sm-2 col-md-2 col-lg-2">
<%% if SyncEngine::logged_in > 0 %>
- <a href="<%%= url_for :controller => :Settings, :action => :logout %" class="btn btn-default btn-sm pull-right">
+ <a href="<%%= url_for :controller => :Settings, :action => :logout %>" class="btn btn-default btn-sm pull-right">
Logout
</a>
<%% else %>
