core/mover.js: Refactored function to return only once
core/mover.js: Moved initialStateHandler inside mover module and triggers 'registerDirectory through the bus
core/mover.js: Created self variable that hosts internal components of module that is used in combination with x-poser module for testing purposes only
Destroy bus.busline in last-after-hook + improved test instance variable layout
Improved code layout
test/core/mover.test.js: Wrote half of the tests for mover module