Remove trailing spaces in activities.json. #67
Merged
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I suspect editors like to strip out this trailing whitespace (e.g.,
from #53) which activities.py then readds when manipulating the JSON
(in #66). We'll avoid the churn (and annoyance) by not having the
trailing whitespace at all.
This sets the separators as described in the documentation at
https://docs.python.org/2/library/json.html to avoid trailing whitespace
when using indent.
It also consolidates the JSON-writing configuration into a single place
by creating a single JSONEncoder object.