ADDED: a prototype of transaction creation
Merge branch 'master' of github.com:starrify/ymmbooking
ADDED: flight transaction creation
ADDED: flight transaction history search
CHANGED: flightTransaction in database schema.
FIXED: /login with empty redirect_url
Merge remote-tracking branch 'origin/liang'
REMOVED: duplicate functions for routing /manage/* in ymmbooking.py
CHANGED: booking-history
Merge branch 'master' into liang