Changes to allow cloud machines to behave properly

* Pin facter to 2.x
* Modify iptables to allow BLACKLIST chain
* Modify iptables to DENY FORWARD by default
* Pin Jeepyb version to ad2494b8d6f09ccdaf90dc171c20d48e9c76096d since
  our project cannot handle 2 seperate config files right now
* Add option to configure site_hostname_alias and server_admin for
  Mediawiki
* Secure Mediawiki vHost configuration
* Change references to log, wiki and download server
  Patch: Docs team needs more file types to publish web docs
* Allow docs.trafodion.org to be crawled
* Add ability for download site to track downloads using PHP
* Update emails used in manifests
* Turn off exim4 since we will be using Postfix for our MTA instead
  due to authorization issues with exim4

Change-Id: I1d53adb45dc1c890dac1787f3998498659f6a219