Merge commit from fork

Management UI: escape virtual host names in virtual host restart forms

(cherry picked from commit 60be7d8)

Author: michaelklishin

deps/rabbitmq_management/priv/www/js/tmpl/vhost.ejs

@@ -41,7 +41,7 @@
             <% if (vhost.cluster_state[node] == "stopped"){ %>
                 <form action="#/restart_vhost" method="post">
                     <input type="hidden" name="node" value="<%= node %>"/>
-                    <input type="hidden" name="vhost" value="<%= vhost.name %>"/>
+                    <input type="hidden" name="vhost" value="<%= fmt_string(vhost.name) %>"/>
                     <input type="submit" value="Restart"/>
                 </form>
             <% } %>

deps/rabbitmq_management/priv/www/js/tmpl/vhosts.ejs

@@ -92,7 +92,7 @@
             <% if (state == "stopped"){ %>
                 <form action="#/restart_vhost" method="post" class="confirm">
                     <input type="hidden" name="node" value="<%= node %>"/>
-                    <input type="hidden" name="vhost" value="<%= vhost.name %>"/>
+                    <input type="hidden" name="vhost" value="<%= fmt_string(vhost.name) %>"/>
                     <input type="submit" value="Restart"/>
                 </form>
             <% } %>