New Professional Plan

Change professional plan from 5 hr/mo of basic to 1 hr/mo of premium
Merge pull request #892 from Saltzshaker/mixpanel-tracking

New Professional Plan
Added Radiotopia button
Created a new row for the donate button and moved the promote button into it
Added a variable for the collections for Radiotopia and a function to determine if the current collection is one of them
Added styling for the donate button
Added functions to the donate and promote buttons to track clicks in Mixpanel
Added the Mixpanel functions to the links and made the donate link open in a new tab
Removed console.log