initialize status members before bus handlers
initialize status members before bus handlers

self._loaded_status was accessed from a message handler, if a message is
received at the precisely wrong time an exception may occur. This fixes
the init order.

Also moves the skill_updater creation to be fore the handlers are
registered.

forslund/mycroft-core,forslund/mycroft-core,MycroftAI/mycroft-core,MycroftAI/mycroft-core