motifyed DBHelper, add a query for query task,and a loop to execute
query.
add local setting --> other ip settings function.
db frame rebuild success,supply multi-query.remove "Bean", direct create
bean class without extends class "Bean".
1、finish "local setting" function.2、provider tools to get local wifi
dhcp infomations(ip,dns,gateway,etc.), called "WifiUtil".
fix db "loop executer", add "heart beat" function, to avoid permanent
waiting.
main direct quit to system lanucher.
add "home" & "net chart" module。