Log Message:
net/ruby-net-ping: update to 2.2.0

2.0.1						2016/08/08

o Update changelog for missing latest version  …
o in case of running on busybox the external command don't set -i argument
o detect if it's running in busybox
o Fixing test running:
	* development dependencies
	* adding pry-byebug for being able to debug
o Adding set_cap check

2.0.2						2018/03/06

o Improved readability + exception set to sting prob
o Fixed tests after adding setcap check feature
o Changed Gemfile source to use https
o Correct the gem version...
o Use port from location uri for http redirection. Reset start_time on
  redirect request