Small README update
Merge pull request #28 from centic9/README_Update

Small README update
Thanks for catching this @centic9.
1. fix Tag comparing issue. 2. fix ondemand alert email issue
Merge branch 'master' of https://github.com/Netflix/ice
1. fix colume plot issue. 2. add option to show graph only on UI. 3. fix cost by resource groups calculation issue. 4. fix monthly cost issue for some usages
fix the layout issue for graph only mode.
query resource group data if query from detail by resource groups page
fix weekly cost email issue
Add a sample ResourceService which uses an Edda instance for retrieving usage-tags for EC2 instances
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