provide an HttpServletRequest producer to be able to remove solder from applications while it's future ready as CDI 1.1 provides support for it out of the box

(cherry picked from commit c3abbb98c9ac0e6bbcc3f57c041097f1547125cc)
made abdera optional so it won't affect distributions wars as it's not yet in use

(cherry picked from commit 777a7b466a380711b13e3ad785442a8a5da162a9)