Update vhost.pp

Getting duplicate declaration errors for logroots managed from puppet and *not* apache even though it tries to create it if not defined.
Update default_mods.pp

This should cover the case that on a Amazon AWS Image that is based on RHEL6/CentOS6 but the Apache in version 2.4 should be used, to avoid to load the non existing systemd Apache module.
MODULES-1348 - apache::vhost concat ordering

Need to set `order => 'numeric'` for the concat resource in
apache::vhost so that the fragments get concatenated in the correct
order.
Revert "Remove deprecated purge_vdir; Rename variables"
Merge pull request #844 from vpassapera/patch-1

Fix duplicate declarations when puppet manages logroot for vhosts
Revert "Fix duplicate declarations when puppet manages logroot for vhosts"
Merge pull request #869 from puppetlabs/revert-844-patch-1

Revert "Fix duplicate declarations when puppet manages logroot for vhost...
Merge pull request #868 from puppetlabs/revert-789-init-var-cleanup

Revert "Remove deprecated purge_vdir; Rename variables"
Merge pull request #867 from mhaskel/MODULES-1348

MODULES-1348 - apache::vhost concat ordering
Update to include auth_required for versions other than 2.4 but keeping at the top of the section
Add support to set SSLCARevocationCheck on Apache 2.4

Apache 2.4 needs an additional SSLCARevocationCheck directive to enable
checking of a CRL, e.g. for a Puppet master vhost.

See https://github.com/puppetlabs/puppet/commit/b02af7e05d9b9a3bc23474933d8d7f6cd6191158
for more background
Merge pull request #870 from cyberious/DirectoriesAuthRequire

Update to include auth_required for versions other than 2.4 but keeping at the top of the section
Merge pull request #866 from domcleal/ssl-crl-check

Add support to set SSLCARevocationCheck on Apache 2.4
Merge pull request #865 from p7s1-wschreiner/patch-1

Update default_mods.pp
changed from depreciated apache::dev to apache::mod::dev
Created the apache::mod::shib class to install the mod_shib Shibboleth module for Apache2

http://shibboleth.net/
define a shibboleth sso resource
Stubbing out metadata for shib
Download metadata and metadata certificate from provider.
Create a resource for downloading attribute map files