[COOK-2927] - http_realip_module support for real_ip_recursive

* add support for real_ip_recursive directive in nginx::http_realip_module
Merge pull request #110 from rjocoleman/COOK-2927

[COOK-2927] - http_realip_module support for real_ip_recursive
wip. rate limiting
[COOK-3080] - update readme, fix whitespace in template
Merge branch 'COOK-3080'
add the right user for gentoo
[COOK-3186] Add client_body_buffer_size and server_tokens attributes

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2925] Fix ChefSpec platform mocks

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2472] Update nginx to 1.2.9

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2312] Add additional mimetypes to gzip compress and fix RSS+XML compression

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Update CHANGELOG format
Fix whitespace
Version bump to v1.8.0
Bump devodd release
Merge remote-tracking branch 'upstream/master' into smartos-changes-merging-upstream

Conflicts:
	attributes/default.rb