#486 notes send every 60 mins not 5
#486 change 60 minutes to 1 hour
Merge pull request #492 from YaleSTC/486_notes_less_often

#486 notes send every 60 mins not 5
Added CHANGELOG.md
Merge branch 'development' of https://github.com/YaleSTC/reservations into development
Merge branch 'development'