$watch 替换 ng-change
dateoffset逻辑移到公共变量里
search.json测试数据 & chooseDate转$watch方式
查询条件套入模板 & 显示隐藏逻辑根据动态数据修改
Merge branch 'master' of github.com:zhiyan/ZUI

Conflicts:
	demo/dist/js/ZUI.js
	demo/dist/js/ZUI.min.js
	dist/js/ZUI.js
	dist/js/ZUI.min.js
	src/directive/search.js