Mongodb3 Chef Cookbook 5.0.0 release.

• Fixed Chef::Mixin::Template::TemplateError: Node attributes are read-only when you do not specify which precedence level to set with Chef 11.10 - Daniel Doubrovkine(@dblock) #21.
• Adding test for chef client 11.18.12 as 11.x : testing for #21
• Adding kitchen test for ubuntu 14.04 : #13
• Using /var/run/mongodb/mongod.pid for centos7 : #25
• Moving attribute setter to recipe in order to support install 3.0.x in wrapper cookbook. : #23
• Adding the mongodb 3.0.x version testing in test wrapper cookbook : #23
• Adding key file directory creation
• Fixing for yum and apt repo name
• Update default version as 3.2.1 : #24