1) add unique index on connection info per url/client name to prevent duplication/confusion
2) change the rake tasks a bit to make passing parameters more usable.

Sample invocation to install a connection info:
 bundle exec rake  url="http://192.168.124.10:4000" name="crowbar" key_file=/home/crowbar/foo.pem crowbar:chef:inject_conn
fix fat finger
Merge pull request #27 from aabes/pull-req-master-1cc2a88b06ece498758fd99a3d92d4c45c20a0f5

more chef conn / jobs [2/2]