Yum: permit spaces after equals sign in list options

Fixes GitHub issue #45
Dhcpd: support a wider variety of DHCP allow/deny/ignore statement

The Dhcpd.aug was missing a part of the allow/deny/ignore possible
statement. This commit updates the lense so it supports the list
of options available here

http://www.ipamworldwide.com/declarations-topological/declarations-allowdenyignore.html

Also this bug was preventing a Foreman user to parse the dhcpd.conf
generated by theforeman/dhcp puppet module
Enhance Nagiosobjects lens

This adds support and tests for three additional Nagios
supported behaviors:
- An optional space between the object name and the {
   Example: "define host{"
- An optional indent prior to the closing }
   Example: "    }"
- Whole-line comments that start with ;
   Example: "; This is a comment"

It does not add support for end-of-line comments with ;