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/checkboxField.html

@@ -1 +1 @@
-<input type="checkbox" ng-disabled="disabled" ng-model="typedValue" autocorrect="off" autocapitalize="off"/>
+<input type="checkbox" ng-disabled="disabled" ng-model="typedValue" guac-focus="focused" autocorrect="off" autocapitalize="off"/>