bts-link git commit to 'master'

[Sandro Tosi]

 changelog        | 3 +++
 remote/github.py | 9 +++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

New commits:
commit 990592749b4ad4fa4e284b33a6778cb7ee6128d6
Author: Sandro Tosi <morph at debian.org>
Date:   Wed Dec 31 02:47:17 2014 +0000

    github: use OAuth2 token to connect to GitHub (to prevent rate-limiting)