Merge pull request #52 from jrha/master

Add link to our build of the knc RPM
Mark pre-requisites document as obsolete
Update the Aquilon installation page.

Document the procedure assuming Yum repositories and decent RPMs.

TODO: provide an aquilon-postgresql metapackage.
Add modification and author metadata
More improvements to the pre-requisites.
More changes to the Aquilon installation
Add a skeleton on how to set up a site with Aquilon
Note on notifysock
More more docs
More more more docs
More more docs on getting to start a broker
More docs on starting the broker
Document network-related operations.
Continue documenting the first Aquilon site
Fix conflict with master
Yum based SPMA migration blog article
Fixing typos
Merge pull request #53 from victor-mendoza/master

Yum based SPMA migration blog article
List PostgreSQL as a supported backends.
Improve the glossary.

Thanks to @ned21 for all the comments.