Added ability to specify Volume size in AWS instance creation
Added information about volume to website
Ran go fmt on file
Added volume_ids on read
Merge branch 'aws-volume-size' of github.com:moosilauke18/terraform into moosilauke18-aws-volume-size

Conflicts:
	website/source/docs/providers/aws/r/instance.html.markdown
Merge branch 'moosilauke18-aws-volume-size'