Created folder for SeqDiagrams and started SeqMakeABooking
Added empty diagrams for CheckIn and CheckOut
Merge branch 'classdiag' of github.com:dannylam/ogretel
Merge branch 'compdiag' of github.com:dannylam/ogretel into compdiag
Merge branch 'compdiag' of git@github.com:dannylam/ogretel.git into compdiag
addServiceNote instead of setServiceNotes