Merge pull request #49 from robparrott/master

add anonymous access to S3 bucket, and restrict bucket and policy to a specific tier.
Change bucket policy to enable deployment

see #52 for more information
Changed Keys to the shared keys
Merge pull request #54 from tfhartmann/master

Changed Keys to the shared keys
Create LICENSE.md
provide a listing of CentOS images
Merge branch 'master' of github.com:huit/nepho
Usage fix in README
Create LICENSE.md
Merge branch 'master' of https://github.com/huit/nepho

Conflicts:
	LICENSE.md
Merge branch 'master' of github.com:huit/nepho
working towards a sane and working OpenStack install via packstack