All Apache repositories are migrating from git-wip to gitbox.
With INFRA-17572, the Impala repo is now on gitbox. This change
updates the references to git-wip in the Impala codebase
to gitbox.
I found the references using "git grep git-wip"
Change-Id: I480a1062cdf0fb6efd82f8b2da2a521fdc8b875d
Reviewed-on: http://gerrit.cloudera.org:8080/12232
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>