refactor on jsdom memory leak to call window close and to no longer cap jsdom resources
add simple resource counting to make sure rest of feather is properly releasing dom objects thru the manager
upgrade jsdom to newest stable 1.5.0
additional cleanup and testing
upgrade jquery to 1.11.2 stable and added migration plugin as well
Merge pull request #300 from DavidZey/jquery_upgrade

JSDOM and Jquery upgrade