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add new
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add new 移动设备适配库
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input:password会使系统多出现一个输入框，影响用户体验。
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增加retina屏幕的处理
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爱到底
add responsive test tool
add mobile browser bugs
add positionFixed Bug
add zepto and iscroll4
iscroll 闪动
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Merge branch 'master' of https://github.com/lyushine/mobileTech into lyushine-master

Conflicts:
	README.md
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跨域问题解决方案
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Merge pull request #2 from jtyjty99999/master

merge for update