update price and for PIP and when it went into effect
fix bug that caused scrolling back to top of page to remove query params from url. This was ruining ad tracking for landing pages when people scroll to top, and we think all people who arrive from ads via mobile.
add test that query params are maintained on homepage. this is insufficient, but there's no other way ATM in testacular.
remove guessed course name from potentials when we don't know it.
upgrade Tim's angular lib from 1.0.6 to 1.1.5