use STS to get role assuming credentials for cross account route53 access
Merge pull request #8 from WrathOfChris/cm-crossaccount-route53

use STS to get role assuming credentials for cross account route53 access
Merge pull request #7 from vjanelle/ec2launchconfig_cleaner

Ec2 launchconfig cleanup script
static IP mapping for regular instances, assigns from pool of addresses
Merge pull request #9 from WrathOfChris/cm-cloudcaster-staticips

static IP mapping for regular instances, assigns from pool of addresses
add multi-region capability to ec2nodefind
Merge pull request #10 from WrathOfChris/cm-ec2nodefind-multiregion

add multi-region capability to ec2nodefind
Initial prototype, reports AMIs with no launch configs
Purging used AMIs

Attempts to purge AMIs for deletion that have known LCs using them.

Attempts to detect if any of the leftover AMIs ALSO have EC2 instances
currently allocated with them.
Reporting ec2 images that can be deleted