Merge pull request #4 from edewit/master

multiple small fixes
Added Github ribbon
improved code snippets
Changed download and get started link to point to zip of summit demo
Removed nav arrows
Added temporary how-to link
Increased interval for carousel
Added Get Help links
minor change
Giving the first slide (logo) a short interval
Added jboss logos
forgot image file in last commit
more minor changes
another minor rewording
Added Google analytics code
reworded forums link
Fixed typo
Updated for 2.4.0.CR1 release
Added event tracking for demo download
Improved GA setup