add translate logo, make link work for subpages

Author: mr-c

_includes/navbar.html

@@ -85,12 +85,13 @@
 	{% comment %} Add dropdown for language {% endcomment %}
 	<li class="dropdown">
           <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">
+          <img src="https://upload.wikimedia.org/wikipedia/commons/d/d7/Google_Translate_logo.svg" alt="Google Translate logo" height="15"/>
                 EN
           <span class="caret"></span></a>
           <ul class="dropdown-menu">
           {% for lang in site.other_languages %}
             <li>
-              <a class="dropdown-item" href="https://translate.google.com/translate?hl=jp&sl=en&tl={{ lang }}&u=https%3A%2F%2Fcommonwl.org%2Fuser_guide&edit-text=&act=url" title="{{ inst[0] }}">
+              <a class="dropdown-item" href="https://translate.google.com/translate?hl=jp&sl=en&tl={{ lang }}&u=https%3A%2F%2Fwww.commonwl.org%2Fuser_guide{{page.url}}&edit-text=&act=url" title="{{ inst[0] }}">
               {{ lang | upcase }}
               </a>
             </li>