Set JavasScript indent to two spaces #154
Merged
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Motivation
The convention almost everywhere is to use 2 spaces for indent in JavaScript, however the default in js-mode and js2-mode is 4. All things being equal, we should follow that convention.
Approach
This sets the default to 2 spaces, but still allows it to be overridden. However, most JavaScript projects, if they do not have this default, set their own defaults