Redirect students away from /teachers and vice versa
Redirect students away from /teachers and vice versa

Closes #3910

kidaa/codecombat,javatlacati/codecombat,kidaa/codecombat,codecombat/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,probil/codecombat,Zerrien/codecombat,javatlacati/codecombat,probil/codecombat,icodegame/codecombat,jeremiahyan/codecombat,fabichoi/codecombat,probil/codecombat,icodegame/codecombat,Zerrien/codecombat,jeremiahyan/codecombat,VilkkuV/codecombat,codecombat/codecombat,Zerrien/codecombat,kidaa/codecombat,Zerrien/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,javatlacati/codecombat,fabichoi/codecombat,codecombat/codecombat,icodegame/codecombat,codecombat/codecombat,codecombat/codecombat,VilkkuV/codecombat,VilkkuV/codecombat,probil/codecombat,VilkkuV/codecombat,fabichoi/codecombat,fabichoi/codecombat,icodegame/codecombat,kidaa/codecombat