COOK-3367 Pass through more unicorn parameters
COOK-3367 add additional parameters to the README
Merge pull request #35 from bryanstearns/COOK-3367-more-unicorn-parameters

COOK-3367 Pass through more unicorn parameters
[COOK-3124] : add memcached_template attribute to memcached provider
Fix whitespace
Reformat CHANGELOG
Version bump to v2.1.0
Update README.md

Fix "than role" to "the role"