Remove duplicate migrations
Merge branch 'day1start' into day1end

* day1start:
  Fix Post update
Properly show or hide alert div
Merge branch 'day1end' into day2start

* day1end:
  Properly show or hide alert div
  Remove duplicate migrations
Merge branch 'day2start' into day2end

* day2start:
  Properly show or hide alert div
  Remove duplicate migrations