Revert "The augmenter should not add handlers for role interfaces the augmented object"

This reverts commit facc014b8f05b4465a24e1d6612fabf1420a62cb.
Disabling a failing SVG test in old (<21) Firefoxes
Move Mouse, Keyboard and TouchScreen to the interactions package where they belong. This
has the benefit of also making our build files simpler once we delete the original versions
which have been deprecated.