Critical updates to Registrations System

Critical updates to Registrations System

Added time_specific to getSimpleRegEventsList() to have to reg events dashboard.
Added time_specific output to reg events dashboard list.
Fixed problem with reg event attendee totals after converting an event between time-specific and non-time-specific
Fixed problem with non-time-specific time entry not being created when switching even from time-specific to non-time-specific
Added AJAX process to display Authorize.net Verified Seal to avoid XXS complaint problem with Chrome.