Infrastructure changes to solidfy the scheduling of reservations. Add DB field (schedules.duration_minutes); Added new jQuery for UI click and change effects; Removed HTML Controls: end date, end time, repeat for X occurrences; Remove DB fields (schedules.end_on_type, schedules.end_on_quantity, schedules.flag_all_day) and all associated references from php, tests, html and jquery js; Change description of 'Not repeated' (formerly: 'once + datestamp) dropdown list item; Edited test data for including duration differences;