Also adds the corrections made to various js files when jscs
was run, and removes an old version of .jshintrc. Only
VisualEditor files are checked by csshint due to clashes with
an upstream bug in the csslint parser. This could be looked
into in the future.
Bug: T112576
Change-Id: I611901040d3b38ae3ef707deb8d25771f043b1d8
Thalia