go fmt
dynamodb: Drop 'Value' key from AttributeUpdates with 'DELETE' Action

See http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_UpdateItem.html#API_UpdateItem_RequestSyntax
dynamodb: Rework on integration and unit tests with gocheck
Adding queries on index and fixing limit bug.
Merge pull request #62 from finkel/master

Adding queries on index and fixing limit bug.
Doing strict consistent reads

to keep the backwards compatibility, I copied the existing GetItem and created a GetItemConsistent that accepts a bool indicating if you want a strictly consistent read or not, in an ideal world this will replace the original GetItem ,
Merge pull request #61 from nabeken/dynamodb-gocheck

dynamodb: Rework on integration and unit tests with gocheck
Merge pull request #63 from alimoeeny/patch-12

Doing strict consistent reads
initial Bucket.PostFormArgs functionality with bare features
passed s3.go through gofmt
dynamodb: Do not omit empty value in some types

See http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_PutItem.html
for what empty values we should omit.
Merge pull request #64 from glennyonemitsu/s3postform

Bucket type now has support for generating POST form arguments
Merge pull request #65 from nabeken/dynamodb-do-not-omit-zero-value

dynamodb: Do not omit empty value in some types
Added initial AutoScaling service
Added launch configuration
Corrected request param for member name
Added method to create a launch configuration
Added creation method for autoscaling group.
Added PutMetricDataNamespace to Cloudwatch
Merge pull request #67 from levb/issue-66

Added PutMetricDataNamespace to Cloudwatch