Set GIT env variables for name and email for tests.
Set GIT env variables for name and email for tests.

Set the following 4 environment variables so that the tests run on a CI
system (like travis) does not complain that username and email are not
set:

GIT_AUTHOR_NAME
GIT_AUTHOR_EMAIL
GIT_COMMITTER_NAME
GIT_COMMITTER_EMAIL

Tuxdude/repobuddy,Tuxdude/repobuddy