Release 0.8.0

Features:
- Add `servername` parameter to `apache` class
- Add `proxy_set` parameter to `apache::balancer` define

Bugfixes:
- Fix ordering for multiple `apache::balancer` clusters
- Fix symlinking for sites-available on Debian-based OSs
- Fix dependency ordering for recursive confdir management
- Fix `apache::mod::*` to notify the service on config change
- Documentation updates
Merge pull request #255 from hunner/release_0.8.0

Release 0.8.0
apache::mod::passenger now has parameters with default values and uses a template to configure passenger. Matches standards in existing Apache module
This should provide a complete set of parameter tests.
Use a more specific match for changing to worker

httpd from centos.alt.ru has both #HTTPD=/usr/sbin/httpd.worker and
confused
Add Serverspec matchers
removing mod_disk_cache from list of default mods on redhat

While it is indeed loaded on a stock redhat-family apache install, it's not actually enabled, so it shouldn't be listed as a default here.
Remove all mods from default_mods that aren't actually default on redhat
Removing all proxy mods from default_mods on redhat

…since we were forced to remove mod_proxy, and these mods depend on it
fixing tests to match new behavior
Removing mod_authnz_ldap from default_mods since mod_ldap is now removed
Disable selinux first
Add system tests for prefork / worker mpm module
Correct cgi/cgid loading on worker/prefork
Merge pull request #263 from hunner/worker_multiple_matches

Use a more specific match for changing worker/prefork
Release 0.8.1

Bugfixes:
- Update `apache::mpm_module` detection for worker/prefork
- Update `apache::mod::cgi` and `apache::mod::cgid` detection for
  worker/prefork
Merge pull request #269 from hunner/release_0.8.1

Release 0.8.1
(#272) Add parameter sslproxyengine to vhost.pp

In order to use mod_proxy with remote servers using the SSL/TLS protocol it is
needed to activate the SSL/TLS Protocol Engine for proxy. Setting this
parameter to true adds the directive `SSLProxyEngine on` to the virtual host.
Remove sendfile comment

The comment in the conditional block for sendfile directive inclusion
caused the plain text directive name to not be included in the script.
Update 'Template uses' comment