adding raid to doc list
fixes from code review and comments at http://tickets.opscode.com/browse/COOK-2503
switching to rubygems right_aws version with piops
adding more descriptive names to ruby_block
Merge pull request #12 from charity/charity.piops-and-ebs-raid

Charity.piops and ebs raid
COOK-2587 Added ability to specify that the most recent snapshot should
be used when passing a volume identifier as the snapshot_id on create
Updating README
increment version for development
Merge pull request #15 from jschneiderhan/most-recent-snapshot-attribute

COOK-2587 Most recent snapshot attribute
Merge remote-tracking branch 'upstream/master'