flot/flot — pull request #1246 by bastjan (2014-02-11 10:11:23+00:00)
Title: fix browser detection for jQuery > 2.0

jQuery removed $.support.leadingWhitespace from jquery greater 2.0
because support was dropped for IE 7/8. So if property is undefined,
we are pretty shure its ie > 8 or jQuery does not support the browser
anyway.