UHM-959 - Layout changes in the schedule an appointment.

Inline of the select appointment type and timeframe options.
Instead using an input to get the tiframe, now we use an fragment.
UHM-959 Rename button message from previous to back
UHM-959 - Layout changes on the appointments table
UHM-959 - Layout changes at confirm appointment page
UHM-959 - Revert to previous implementation using calendar from angular
UHM-937 Add calendar icon and allow datepicker when selected.