Fix : change most functions to static [not working version]
Add : merchantSettings
Add : adding redid config
Add : Predis for redis <-> php library
Update : RestaurantTableBookingModule

Many fix
Update : BookingService

to compatible with RestaurantTableBookingModule
Merge branch 'template-services' of https://github.com/ryderlee/php_backend into template-services

Conflicts:
	vendor/slim/slim/libs/BookingService.php
Fix : booking service