New colors

Changed the colors (and styling here and there), to match the official
BalaBit colors. Many thanks to Zoltan Bagi <zoltan.bagi@balabit.com> for
doing it!

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
"Features" => "Why syslog-ng?"

Suggested by Jim, fixes #4.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
Publish the build to GitHub pages

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>