Check return values of cancel and confirm. If the reservation was
already cancelled, make it known to the user.
Merge pull request #45 from FlatTurtle/master

bring dev at same commit as master
Email to field use actual email address, not company. Fixes #46
Merge branch 'development' of github.com:FlatTurtle/Reservations into development
Add some more details to the email such as what is being reserved and
from when to when.
changed text a bit