add feature-usage-tracking command to help ToC
logout user when the cookie has expired
fixed unit tests
Changes after code review

don't track the usage of login commands

because usage tracking requires you to be logged in in the first place

also:
* don't clobber user settings
* don't prompt for consent when the login cookie is expired
Preinstall script that stops the adb service process
* Do not track dev-post-install command
* Do not throw the error when the status code is 404
Print analytics status in json if the global json option is specified
Fixes after code review
Fixing release notes, stating that this is a maintenance release.
Rephrasing short desc of feature-usage-tracking
fix Ctrl-C
bump release version
fix Ctrl-C on mac
Ensure logged in when enabling or disabling the analytics
Ensure logged in when getting the analytics status
Fix appbuilder init on appbuilder sample projects
abort login after 15 minutes of inactivity when running non-interactive
ensure all platform assets before running simulator
Move the analyticsManager.ensureLoggedIn calls to the SharedUserSettingsService
Fixing release date