CRM-12689-fixes : fixing for multiple email sending for a contact fullfiling reminder criteria as well as in group, proper date clause handling for associated entities while building up additional recipients
CRM-12689-fixes : for event as mapping entity for schedule reminder skip the pariticipant status check while building up 'addition to' recipients as the date clause responsible for sending reminders is WRT event criterias
CRM-12689-fixes : adding restriction to building additional recipient  when 'state_action_date' has been selected which depends on mapping enitity configured for a reminder
CRM-12689-fixes : few improvements after testing
CRM-12689-fixes : minor fix
CRM-12689_fixes : is_repeat handling for 'addtion to' recipients
Merge pull request #1348 from pratik-joshi/CRM-12689_fixes

Crm 12689 fixes