added switch variables to easily disable salytics overall or just salytics page visit tracking in case it causes trouble during a traffic spike
added content-download visitor action class. also add a class with prefix dtl__ to specify the detail about which content is being downloaded, like dtl__State_of_Friendship_Report
Merge branch 'master' of github.com:jordanlewin/lifeboat
Merge branch 'master' of github.com:jordanlewin/lifeboat
Merge branch 'master' of github.com:jordanlewin/lifeboat
update salytics.js