modified:   cloudhistory-ec2.yml ansible syntax, euca2ools and euca4 update
	modified:   create_images_table.sql virtualizationtype field added
	modified:   create_instance_table.sql  added euca4 tables
	modified:   readinsertinstances.py euca4 mods
	modified:   readinsertaccounts.py euca4 update change to https
	modified:   readinsertimages.py euca4 update added virtualisation type