Addedd bind_ip property
Mongodb service name and configuration path

Flexible mongodb package name

Using pillar: `package_name` you can set you own preferred package name

  * mongodb-10gen
  * mongodb-org

Flexible mongod.conf path

Actually mongod.conf is used as main configuration file
Merge pull request #4 from wdalmut/configurations

Mongodb service name and configuration path
Merge pull request #5 from wdalmut/bind_ip

Addedd bind_ip property