Fix #171: RSA public exponent must be prime number

* 65537 is a well known prime number. ref: http://en.wikipedia.org/wiki/65537_(number)
* 2048 bits (256 bytes) is default size in ssh-keygen.
Suppress warning.
Rename amkkun
Change xml parsers in EC2/KeyPair into unordered
Change xml parsers in EC2/AvailabilityZone
Change xml parsers in EC2/Address
Change xml parsers in EC2/Acl
Change xml parsers in EC2/ConversionTask
Add itemConduit' and itemsSet'
Change xml parsers in EC2/Images
Change xml parsers in EC2/NetworkInterface
Change xml parsers in EC2/NetworkInterfaceAttribute
Change xml parsers in EC2/PlacementGroup
Change xml parsers in EC2/Region
Change xml parsers in EC2/Route
Change xml parsers in EC2/RouteTable
Change xml parsers in EC2/SecurityGroup
Change xml parsers in EC2/Snapshot
Change xml parsers in EC2/Subnets
Change xml parsers in EC2/Tag into new version