GUACAMOLE-723: Allow connections to be selected within the Guacamole menu.

guacamole/src/main/webapp/app/client/styles/guac-menu.css

@@ -65,6 +65,24 @@
     margin-top: 1em;
 }
 
+#guac-menu .header h2 {
+    padding: 0;
+}
+
+#guac-menu .header h2 .menu-dropdown {
+    border: none;
+    background: transparent;
+}
+
+#guac-menu .header h2 .menu-contents {
+    font-weight: normal;
+    font-size: 0.8em;
+}
+
+#guac-menu .header h2 .menu-contents .all-connections {
+    margin: 0;
+}
+
 #guac-menu #mouse-settings .choice {
     text-align: center;
 }