use strict errors?

setTimeout and clearTimeout are methods of window
Merge pull request #184 from eddiemonge/patch-1

use strict errors?
Little bit more flexible syntax in MQ allows white-space between opening ( and min/max-width. White-space was already allowed prior to ending ).
Merge pull request #191 from zachleat/master

More flexible MQ syntax
Allows space before colon (min-width : 30em) due to blog post issue reported here: http://esbueno.noahstokes.com/post/45696422922/issue-with-respond-js-ie8-and-your-media-queries
Merge pull request #193 from zachleat/master

Minor syntax complaint by @noahstokes
Update respond.min.js