Add ResetImageAttribute API call
Removed HEAD comment after rebasing
Merge pull request #57 from jmassara/reset_image_attr

Add ResetImageAttribute API call
autoscaling: don't send empty params for createconfiguration
autoscaling: add delete configuration and autoscaling
ec2: RouteTableAssociation
ec2: valid endpoint
autoscaling: add keyname for launch configuration
ec2: add SourceDestCheck to instance struct
ec2: add release address for public EIPs
ec2: can set source dest cehck to false
ec2: add SecurityGroups to Instance
Amazon expects and empty string for NoDevice if it is set. "true" causes image creation to fail
Merge pull request #59 from gdhagger/master

Amazon expects and empty string for NoDevice if it is set
autoscaling: add UpdateAutoScalingGroup
Added a Region mapping for the GovCloud
Merge pull request #61 from storysj/master

Added a Region mapping for the GovCloud
add head method
Merge pull request #62 from inconshreveable/master

add head method
rds: initial