Foreman » Smart Proxy

fixes #6522 - move request code out of chef module

The patch also moves foreman_ssl_ca, foreman_ssl_cert and
foreman_ssl_key config options from Chef plugin config to global config
and adds fallback to the ssl_* options if these are not defined.

fixes #6585 - Update Proxy::Util::CommandTask to handle Ruby 1.8 and 1.9+

In this update, use 'true' and 'false' to test $? return codes 0 and 1, respectively.
In Ruby 1.8.x, the return code from Open3.popen3 is always 0, some errors will not be caught.

fixes #6289: avoids concurrent downloads of files with the same name and destination dir.

fixes #6341 - Add support for 64-bit MAC addresses

Fixes #4866: Breaking up monolithic smart-proxy into modules

Fixes #6086 - stop remote command execution and path exploit in TFTP API (CVE-2014-0007)

fixes #5675 - expect dns_key setting to be nil if not set

fixes #5856 - use public initializer for Puppet settings

Fixes #5907 - Look at all records when suggesting IPs

fixes #5677 - handle booleans from settings.yml as bools