Converted indentation to spaces in testrunner.js

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>
I had to polyfill Function.prototype.bind because phantomjs' JS engine doesn't support it. And that meant removing newcap from .jshintrc because it was complaining about Function not being preceded by a new operator.

See https://github.com/ariya/phantomjs/issues/10522

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>
Accidental commit.
Added test for technique F70 to capture malformed attributes. #163
Added additional unit test for visually-aligned text in tableLayoutMakesSenseLinearized. Fixes #169
Added test to find elements that are floated or absolute/fixed positioned per #171
Coding standard.