Merge pull request #1 from android-cn/master

merge
add  stickylistheaders demo
update config
init project structure
init project structure
获取通信录构建列表
增加属性控制
Merge pull request #2 from android-cn/master

sync with master
add files to vcs
Merge pull request #2 from lsjwzh/master

add StickyHeadersList demo