Merge resv models,fix view resv access rules

+Merge reservation models:
+merge get_rsvs_for_ack to get_rr to get_reservation
+merge change_app_status and change_ack_status into change_status
+fixed access rules in viewing reservations
mailer and cron, merge db
reservation ulit
Merge res to Merge_Resv-RR
Merge UI to Merge_Resv-RR
lariz' merge
edited get_rr
Merge Merge_Resv-RR to master 2