Adds the SPEEDHUB.util.notifications to handle internal and system wide notifications. Adds JSDocs comments to namespaces in global.js.
Implements user feedback when the personal key is changed in settings.
Eliminates unnecesary menu in the info.plist
Moves most of the logic in main.popover.js to global.js, where it belonged in the first place. Refactors and renames several methods to fit within the new context. Now th user can choose if the extension will update the repos cache every time that he opens the main popover.