Refactored to store the state of what is being viewed in a single store.
Modified navigation to use the browser history API.
Refactored window.viewStore to move variables into the object.
Moved actions from the season store file to its own separate file.
Fix a bug where, when renaming a player, hitting the back button would try to take you to the old player's page.
Merge pull request #14 from derikson/topic/history

Use history API
Removed reference to unused EventEmitter.js.
Use Bower for maintaining javascript libraries.
Added a package.json for npm, with bower as a dev dependency.