Updated detect.js for Safari browsers on Mac OS X

Revert "Updated detect.js for IE 11 as well as Safari browsers running on Mac OS X"

This reverts commit 083fcb3b46320a622a4267262adde794605b2c91.

Conflicts:
	src/detect.js
	test/detect.html
Updated detect.js to recognize IE 11 as $.browser.ie
Merge branch 'master' of https://github.com/bjrn/zepto

Conflicts:
	src/detect.js
	test/detect.html