Merge branch 'master' of https://github.com/dxq613/bui

update
util工具docHeight,docWidth方法修改
Merge pull request #110 from karoo/isuse/45.1

util工具docHeight,docWidth方法修改
修复combox的bug“
init pie
Merge branch 'master' of https://github.com/dxq613/bui
Merge branch 'master' into issue_1.0.0
Merge pull request #111 from zengyue/combox

修复combox的bug
update chart
update test
add submenu support
add BUI.getControl
add hash change mode
Merge branch 'master' of https://github.com/dxq613/bui into issue_1.0.0
新增饼图的部分代码
Merge pull request #115 from fangk/issue_1.0.0

Issue 1.0.0
update chart
chart package
commit chart
update comment