Version bump to v2.4.1
Actually remove host entry duplicates
Remove ChefSpec from Gemfile (not using it)
Remove extra newline
Revert "Remove ChefSpec from Gemfile (not using it)"

This reverts commit dade1dbe4c1f83a6a57a66289c74e0cce4986760.
Remove ChefSpec from Gemfile (not using it)
Merge remote-tracking branch 'vo/master' into wk8/Allow_to_specify_custom_path_to_hostsfile