Added some utility functions to get current region, instance id, instance type, local ip, public ip
Merge pull request #132 from alimoeeny/patch-14

Added some utility functions to get current region, instance id, instanc...
Corrected the function names that were private by mistake
Merge pull request #133 from alimoeeny/patch-17

Corrected the function names that were private by mistake
ec2: Correctly refresh IAM credentials.

Analogous to the patch to sqs in #111.
Merge pull request #134 from nelhage/ec2-refresh

ec2: Correctly refresh IAM credentials.
dynamodb: scan support for large data sets
Merge pull request #138 from abursavich/master

dynamodb: scan support for large data sets
Add support for Message Attributes
Don't run check for attribute MD5 unless we pass message attributes
Merge pull request #141 from hayesgm/master

Add support for Message Attributes
Add DelaySeconds to the Message struct.
Use Message.DelaySeconds in SendMessageBatch to set individual message delay in the batch.
Merge pull request #142 from zoips/message-delay

Enable individual message delay for SendMessageBatch
Explicitly close the response body, otherwise if ignored it causes a file i/o leak
Merge pull request #143 from hailocab/ioleak

Fix File I/O Leak
Remove pointer to Error so that dynamodb.Error impelents error correctly.
Merge pull request #146 from leelynne/master

Remove pointer to Error so that dynamodb.Error impelents error correctly...
Value is optional and minimum length is 1
Merge pull request #148 from ProTip/master

Value is optional and minimum length is 1
add structures for dynamodb global secondary indexes