Added support to pass in whitelist to analytical_is_robot?
Merge pull request #72 from npalrecha/configurable_whitelist

Add support to pass in whitelist to analytical_is_robot?
Add Mixpanel#person and Mixpanel#revenue methods
Fix track config for Mixpanel
Harmonize Mixpanel :track option to :track_pageview
Merge pull request #73 from clupprich/mixpanel_revenue

Note: merged without changes to default `track_pageview` setting.
Merge the rest of pull request #73 from clupprich/mixpanel_revenue

* Provides the ability to disable Mixpanel's auto track_pageviews