New variables

Variable	Description
rougail.condition `string` `standard` `mandatory`	A conditional variable. Default: no
rougail.variable1 `string` `basic` `mandatory` `disabled` `unique` `multiple`	A first variable. Disabled: if condition is egal to "yes".
rougail.variable2 `string` `basic` `mandatory` `disabled` `unique` `multiple`	A second variable. Disabled: if condition is egal to "yes".