fixed problem with events not saving correctly after being moved to another day.

Thanks for the tip Matt! Turns out that removeEvents and addToEvents were both being called, but addToEvents was being called with the old date (so in essence nothing was even changing!)
Closes #62
Merge branch 'master' of github.com:CompSciClub/Hopkins-Planner
fixed some naming issues. Working on using saved color
fixed custom color saving issues.

Closes #59