GUACAMOLE-302: Additions made to every remaining field (every field except username and password) so that they can now be manually focussed using the custom guacFocus directive.

guacamole/src/main/webapp/app/form/templates/languageField.html

@@ -1 +1 @@
-<select ng-model="model" ng-options="language.key as language.value for language in languages | toArray | orderBy: key"></select>
+<select guac-focus="focused" ng-model="model" ng-options="language.key as language.value for language in languages | toArray | orderBy: key"></select>