Parse messages in hook onSkinTemplateNavigationUniversal
Parse messages in hook onSkinTemplateNavigationUniversal

Using 'text' in skins must provide a string,
not a message (see Skin->makeLink)
Avoid also global state by using the SkinTemplate as ContextSource for
the message

Change-Id: Ie736487023d7aeb31cdb1829ba59adeb0ba2b022

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo