centos based images have wrong label info,
these changes fix own image's name and build-date.
Change-Id: I1d13f8f386c8db12b5fbe5f8ecbbf9e3fbb4ba1c
Closes-Bug: #1680341
Use LABEL instruction instead of MAINTAINER (deprecated) instruc-
tion as suggested by Docker's official dockerfile guide.
docs.docker.com/engine/reference/builder/#maintainer-deprecated
Closes-Bug: #1683652
Change-Id: Ie87a1ddf31aefcd0b623fd2837d78de420e76898
1. Enable customization of pip packages in source
branch of most images
2. All pip packages install uniformly through
install-pip macro, user can easily customize his
own pip command (For example using a mirror)
Co-Authored-By: Mauricio Lima <mauriciolimab@gmail.com>
Change-Id: If09582039f690fa4136e8f33200d5da15e092da7