pom.xml: add javax.inject dependency
pom.xml: add javax.inject dependency

Signed-off-by: Pierre-Alexandre Meyer <ff019a5748a52b5641624af88a54a2f0e46a9fb5@ning.com>

killbill/killbill-oss-parent,kares/killbill-oss-parent,maguero/killbill-oss-parent,rocketlawyer/killbill-oss-parent,andrenpaes/killbill-oss-parent,aeq/killbill-oss-parent