Changing the symbols on the homepage...

For consistency, we need to change the symbols on the home page.
Merge pull request #6 from insectengine/master

Changing the symbols on the homepage.
Few layout fixes & added "special thanks"

- added max-width so it still looks ok on screen with more than 2000px resolution
- added favicon
- added special thanks with intellij banner
Merge pull request #7 from ctomc/master

Few layout fixes & added special thanks

Thanks, it'll go out the next time the site is built.
Update README.md
Add download page, fix missing require
Add github link
Fix broken link
fix typo + link to wildfly.org
add link to WildFly documentation