Merge pull request #273 from vimeo/make-output-target-name-match-url-param

Make output target name match url param
Merge pull request #276 from jeblair/master

Fix "global name 'i' is not defined" exception caused by typo.
Merge pull request #160 from lensen/patch-1

Typo in tools.rst
Left-strip leading periods in metrics/index.json.

Handles issues where WHISPER_DIR in config does not end
with a trailing slash.
Anal retentive 80-column formatting tweak.
PEP-8 is mother, PEP-8 is father, all hail PEP-8
Merge pull request #293 from bitprophet/0.9.x

Fix leading dots in metrics/index.json