1. allow multiple payer accounts and multiple billing s3 buckets by using across-account assumed roles. 2. reservation capacity poller to use the default credentials. 3. fix to editappgroup page. 4. updated sample.properties
Update README.md
add region ap-southeast-2 to the list
add option to specify external id for IAM roles
Update README.md
change mainCntl to mainCtrl
change mainCntl to mainCtrl in main view
Update README.md
Merge pull request #33 from pitr/master

use Ctrl for controller suffix in `mainCntl`, similar to other controller
fix the issue when aggregating by month, the timestamps are not correct on the graph.
1. poll reservation instance prices from locations like http://aws.amazon.com/ec2/pricing/ri-heavy-linux.json. 2. keep history of reservation instance prices in case prices change later. 3. poll tag values more often