Merge branch 'release/1.17.0' into develop
Bumped version to 1.18.0a1
Fixed error in Sphinx versioning

Conflicts:
	docs/conf.py
fix a few typos
Modify cloudformation template to associate IAM role to the launched EC2 instance instead of AWS access key as it's more secure

Conflicts:
	README.md
Reverse some changes from d0e975c #159
Changed resource naming standard #159
Creating the instance profile directly in the template #159
Removed 32-bit support #159
Updated AMI's to Amazon Linux AMI 2014.03.1 #159
Fixed IAM resource names #159
Removed unused parameter RoleName #159
Disable explicit credentials in the example #159
Removed AWS credentials from the docs #159
Setting S3 bucket region hard #159
Changing the example config file to use the current region #159
Merge branch 'feature/issue-159' into hotfix/1.17.0-cf-update

Conflicts:
	docs/conf.py
Updated release notes with CloudFormation details
Merge branch 'hotfix/1.17.0-cf-update'