Add script to push necessary artifacts to maven central staging

Due to "504 Gateway Time-out" errors when trying to push from
eclipse.org infrastructure, it can be useful to be able to do
this from one's own workstation.

Change-Id: I6f8edfcf3bb8410db06cd8eddd516138905f3168
Signed-off-by: Mat Booth <mat.booth@redhat.com>
2 files changed