* clean up the primaryOriginCommunicator when the iframe is torndown to prevent dangling memory leaks
* fix: clean up the primaryOriginCommunicator when the iframe is torndown to prevent dangling memory leaks
* attempt to clean up onMessage handlers when event manager is setup/torn down. NEEDS cy-in-cy TEST
* move session tests into session directory and rename file to prep for origin tests being added
* add cy.origin regression tests
* fix cy origin event bindings in the event manager"
Bill Glesias