add JBDS 8 Beta2, remove dupe entries for Beta1 (installers are installers, not zips), and fix nomenclature for installers. We don't have a Universal Multi-Platform Standalone Installer bundled with EAP 6.2.0, we have an Installer With EAP 6.2.0; and the Universal Multi-Platform Standalone Installer is simply a Stand-alone Installer. Multiplatform is implied, and Universal is ... well, redundant? >> master