jinja: upgraded package to upstream

Upgraded dev-python/jinja to version 2.7.1.
Nothing uses this currently.

BUG=None
TEST=`emerge-link jinja` works

Change-Id: I2e75e9c0a2d8eab9675472b6c10aa2b35db62757
Reviewed-on: https://chromium-review.googlesource.com/191013
Reviewed-by: Jon Salz <jsalz@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
7 files changed