Merge branch 'master' into chende

Conflicts:
	src/com/chainton/pdmserver/sharecircle/PdmServerMessageHandler.java
Merge branch 'master' into chende

Conflicts:
	src/com/chainton/pdmserver/sharecircle/PdmServerMessageHandler.java
修改设备加载页面超时
修改设备加载页面超时
Merge branch 'chenyan'
修改
增加联系人备份表
Merge branch 'master' into chende

Conflicts:
	src/com/chainton/pdmserver/db/DBOpenHelper.java