Merge pull request #246 from set-soft/abc_external_ovr
authorClifford Wolf <clifford@clifford.at>
Fri, 14 Oct 2016 07:36:31 +0000 (09:36 +0200)
committerGitHub <noreply@github.com>
Fri, 14 Oct 2016 07:36:31 +0000 (09:36 +0200)
Allow to overwrite ABCEXTERNAL from the environment.


Trivial merge