Import Athena module

Merge pull request erlcloud#259 from ptrakhtman/master

AWS WAF API support

Merge pull request erlcloud#256 from waisbrot/rebar3

Support Rebar3 and Rebar2

Merge pull request erlcloud#264 from erlcloud/bump_meck

Update rebar.config

Merge pull request erlcloud#241 from MiniclipPortugal/feature/ec2_spo…

…tfleet

EC2 spot fleet support

Merge pull request erlcloud#199 from izinin/s3_get_location_fix

bug fix : AWS S3 get bucket location call returns empty result for buckets in US region

fix dialyzer and eunit

Merge pull request erlcloud#170 from smilerlee/master

DynamoDB new features implementation

vsn 0.9.1