inital mixpanel tracking additions to analyze

tracking view changes & viz distances
removed "viewing rules" tracking

can’t get it perfect…
add scripts dir
added mixpanel tracking

so nice of hayden to show me where it goes :D
added semicolon

oopsies
Merge branch 'mixpanel-integration'

Conflicts:
	client/app/analyze/controllers/rules.js
Merge branch 'master' into add-selective-data-fetching
Merge branch 'add-selective-data-fetching'
Merge branch 'master' into staging