Merge pull request #88 from vkhatri/master

fix for issue #87
Bump version to 2.7.0
Bump version to 2.7.0
Update change log
(c) section update
AG-PDT-7412 removed cassandra auto-start
fixed jna var issues
Update README.md
Update README.md
standardized to get a PR in
Merge branch 'master' of https://github.com/awgneo/cassandra-chef-cookbook
minor bug in defaults for service action
Update README.md
Merge pull request #89 from awgneo/master

Fixes for Chef 10-11 (JNA variable) & Service Action Attribute Added