lab 4: driver: made UserProfileManager extend JsonFileStorePersistentMap-
StorageManager and updated cals to it
lab 4: driver: made FlowerShopProfile implement HasId and changed the
FSPManager to extend JFSPMStorageManager and updated calls to the manager
including in shops/list.jsp.
lab 4: driver: Made DriverProfileManager extend JFSPMStorageManager and
updated invocations of it.
lab 4: driver: made StashedEvent implement HasId and made StashedEvent-
Manager extend JFSPMStorageManager and updated invocations; couldn't test
since didn't have network to derive Twilio request response
lab 4: driver: added @Override annotations to FlowerShopProfile's get/setId
lab 4: shop: updated DriverProfileManager to extend JFSPMStorageManager
updated invocations of it, and updated ffds-servlet's bean configuration to
parameterize it with an appropriate file path.
lab 4: shop: removed @Repository and @Scope annotations from DriverProfile-
Manager since the bean is now specified in ffds-servlet.xml
lab 4: shared: removed EventManager since it was not used and was an
old Manager implementation; driver: removed EventManager configuration from
driver-spring-pages-servlet.xml
lab 4: shared: added EventChannel class