Updated Buttons and Links

Updated Buttons on Home Page to now give the latest SL5, SL6 and Tarball
of Apel.
Added News Section to Home Page

Home Page now also displays the most recent news post
Merge Software RPMs and Source RPMs

Merged the pages Software RPMs and Source RPMs into a unified 'APEL
RPMs' page.
Renamed APEL RPMs

Renamed APEL RPMs to APEL Packages.