Adding basic sts support
Because...Amazon...
Making sure we use the same function signature
Adding NewAuth method
Refactoring ChangeResourceRecordSetsRequest to match the spec and simplifying ListHostedZonesResponse
Make sure ChangeResourceRecordSet complies with the spec
Adding Route53 change batch support
Replace signer and query api

Signed-off-by: Boyan Dimitrov <boyan.dimitrov@hailocab.com>
Refactor autoscaling groups related methods and make them match more closely the AWS spec

Signed-off-by: Boyan Dimitrov <boyan.dimitrov@hailocab.com>
Add more detailed unit tests

Signed-off-by: Boyan Dimitrov <boyan.dimitrov@hailocab.com>
Refactor LaunchConfiguration methods and error wrapping
Add DeleteNotificationConfiguration and DeleteTags plus more tests
Refactor DescribeLaunchConfigurations to match the spec and add tests
Refactor SetDesiredCapacity, SuspendProcesses, ResumeProcesses according to spec. Add tests
Update PutScheduledUpdateGroupAction and DescribeScheduledActions to match the spec and add tests
Add AttachInstances method and tests. Semantical code reordering
Add DescribeAccountLimits, DescribeAdjustmentTypes, DescribeAutoScalingInstances and related tests
Add DescribeAutoScalingNotificationTypes, DescribeMetricCollectionTypes and DescribeNotificationConfigurations methods and tests
Add DescribePolicies and DescribeScalingActivities plus tests. Add missing xml parser tags. Fix comments
int -> in64; 0 is perfectly valid value for asg size or capacity