Support self-service download management using download manager

Steps to repro:

1. http://www.jboss.org/products/devstudio/download/ -> click link for "Installer Jar (Stand-alone)" -> http://www.jboss.org/download-manager/file/jboss-devstudio-8.0.0.Beta1-standalone_universal-standalone_jar.jar

2. Download begins and I get this page:

http://www.jboss.org/products/devstudio/get-started/?tcUser=Nick%20Boldt&tcDownloadFileName=jbdevstudio-product-universal-8.0.0.Beta1-v20140408-2350-B93.jar&tcRedirect=5000&tcDownloadURL=https://access.cdn.redhat.com/content/origin/files/sha256/25/2550fbb912f42b6c0e60d124cc0d5b7c1a26b1767e27a0ecd6f2b9c36f3b3d9a/jbdevstudio-product-universal-8.0.0.Beta1-v20140408-2350-B93.jar?_auth_=1401311850_7c0b32daab2f20c595a3dc5e891d49d6

Resulting file when downloaded is:

jbdevstudio-product-universal-8.0.0.Beta1-v20140408-2350-B93.jar (64 characters long)

But the link on the download page was for:

jboss-devstudio-8.0.0.Beta1-standalone_universal-standalone_jar.jar (67 characters long)

Why are we "shortening" these URLs? Why provide a different filename on one page vs. what the user actually gets? Feels like bait-and-switch. Mostly it's just confusing:

Did I get the right file?
Where did all that "v20140408-2350-B93" come from?
Why are they making me relive my Star Wars Episode I nightmares? (jar.jar)

Lulz aside, I would prefer to just see the full URL of the file on the download pages' links, since those are the same URLs that appear in the CSP. Consistency = win.

Note too that the file name convention has changed as of Beta2 - for details, see JBIDE-16871