SkinTempo: Call parent::__construct in constructor
SkinTempo: Call parent::__construct in constructor

With this change the constructor of the parent class gets called like if
there is no local constructor. This allows the ancestor classes to
initialize themself in their constructor.

Change-Id: I05394caca8827d6a1d5a47fb854e400bdef74177

wikimedia/mediawiki-skins-Tempo,wikimedia/mediawiki-skins-Tempo