Bug#898613: [git-buildpackage/master] docs: document how to use GBP_CONF_FILES to override debian/gbp.conf

[Guido Günther]

tag 898613 pending
thanks

Date:   Mon May 21 13:26:30 2018 +0200
Author: Guido Günther <a...@sigxcpu.org>
Commit ID: a1f4af5504373c1e1e65e98054a7f1040c21358a
Commit URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//commit/?id=a1f4af5504373c1e1e65e98054a7f1040c21358a
Patch URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//patch/?id=a1f4af5504373c1e1e65e98054a7f1040c21358a

    docs: document how to use GBP_CONF_FILES to override debian/gbp.conf

    Closes: #898613