Switch nodejs -> node_js
Prettifying config files (sort, add 4 ws, and no trailing ws)
'js' --> 'plotly_js'
js -> plotly_js, nodejs -> node_js
No longer accepts username and api_key kwargs.
Let header-removal take place server-side.
Let header removal take place server-side.
Add test user creds client-side for execution.
force exception on KeyError! (was lost before)
rely on config to tell us script language

(i.e., *not* the extension)
languages are straightened out now, pass directly
Handle init spacing for plotly_js (not needed)
dumb pun correction.
Dealing with funky empty responses
Some code shuffling from git commits.
Merge branch 'master' into adjust-for-plotly-js-translator

Conflicts:
	hard-coded/chart-types/maps/canadian-cities/config.json
prettify config files.
nodejs -> node_js and js -> plotly_js (for 3d)
Update matlab exceptions.
Rename all the nodejs folders node_js.