Add apache version to pillar/map.jinja

* Add apache version (2.2, 2.4) detection based on osfinger (defaults to 2.4).
* Version can be overridden in pillar (for Apache 2.4 on RHEL 6 for example)

add lookup section to pillar.example

add a boolean to a site configuration to enable or disable it

fix apache-restart ID in apache/mod_mpm according to apache/init.sls

Files in sites-available should end with .conf under Ubuntu

quote wildcard paths

RedHat fixes: change default vhostdir to redhat official

Add mod_php5 pkg for RedHat in map.jinja. Remove welcome.conf on RedHat.

Fixed missing : and uppercased D in debian

Initial commit of SPM FORMULA

Revert "corrected the key to match the pillar.example"

corrected the key to match the pillar.example

Correct variable name

Improvements to the apache-formula

- Added more modules and configuration options
 - Renamed sls files to reflect what they do.
 - added mpm options for Debian

Create defaul vhost directories when DocumentRoot is not set

Add support for SSL certificates in the proxy template

apache.vhosts.standard

Fix SSL: incorrect syntax in pillar example and jinja template

Fix check for SSLCertificateFile, SSLCertificateKeyFile variables in vhosts/standard.tmpl, now using dict.get()

Set 'confext' for Debian systems.

Add basic SSL functionality.

make modules.sls compatible with RHEL/CentOS Apache 2.2

Fix Jinja's reverse

Don't fail on missing DocumentRoot

If the DocumentRoot value wasn't set, applying the state would cause the
following error:

          ID: site.example.com-documentroot
    Function: file.directory
        Name: None
      Result: False
     Comment: Specified file None is not an absolute path
     Started: 15:07:05.596723
    Duration: 4.929 ms
     Changes:

This fixes the problem by not trying to check for the DocumentRoot directory is
the value is missing.