Looks like the SkinVector::getPageClasses is doing nothing, only
calling the Skin::getPageClasses and returning the output.
Change-Id: I5becaa1505d46cbf9a07b8bfe73ddf324b740876
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: I4ec1ec935afa25b59be4020fca9ac71f23e62ad0