pom.xml: updates for release 0.8.2
pom.xml: updates for release 0.8.2

Update killbill-commons to 0.2.27
Update killbill-platform to 0.0.14

Signed-off-by: stephane brossier <c1fb28815da1df8a6921017a648d6c4b5d859b78@groupon.com>

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