Fixes min file from uglify error.

Fixes

• support for Apple magic mouse swipe back/forward aka Enable only if needed #378
• wrapper don't works on relative selector aka same classes not working #635
• horizontal scrollbar visibible but no need it on responsive layout
• tabindex start counter fix
• setAnimationFrame for IE8
• touch interaction with multiple scrollareas with IE/Edge on Surface
• mousewheel not working in safari & click event trigger twice in mobile #669
• false retriggering of scrollend event
• Not scrolling on lastest Firefox with HTML5 inside iframe #322

New options

• scrollbarid, you can set id assigned to scrollbar (default: false = auto-assigned)

Changes

• some code optimizations inspired from #604 by dmadan86 (thank you so much!)
• better content area size detection
• remove support for Windows Phone 7 and 7.1 (mango)
• minimal support change to IE8

New script iframe helper Needed to fix, in some situation, browsers bad implementation of iframe events. (#322)