aws credentials in profile config

refs #12
Merge pull request #14 from kvbik/aws-credentials

aws credentials in profile config
added EC2 regions
Merge pull request #17 from whiskybar/master

AWS regions
ignoring block_map for instance store based images
Merge pull request #18 from whiskybar/master

Block device mapping
Adding salt_roles
fix non-standard port display
test bug-fixed (996166) minion template
fix DEFAULT_MINION_PKI_DIR
revert to original minion template
implement pre-seeding of keys on the master
pre-seeded keys enabled, version bump 0.2.0
fix docs
add ip_address assignment
version bump: 0.2.1
updated doc reference for ip address assignment
Removing roles, using grains instead
Updating branch from master
Fxied grains template