finish Google User Service login and logout connect to goole service 
11-01-2013
update user service
now Rhr got from fawn with last week rain fall
finish the calculation of index for Ihr and Ihrschedule
Ihrschedule got from user input
finish unit transform
get irrigation depth as Ihr
11-13-2013
finish result part and ET 11/14/2013
finish the user database function
update loss function 
update validation part
finish configuration of weekly report
start the build weekly report part
11/19/2013
controller for weeklyreport unsubscribe changesecret
built partial weekly report parameters
11-20-2013
add the handle of ET0 data exception 
update SWC calculation 2013/11/21
change the unit conversion
add annotations for all files
11/22/2013
fix bugs 
modify cookie
11/22/2013
finish the Exception part 11-25-2013
optimize response cookies part
11-25-2013
create secret function
weekly report function finish
create secret value in database
11-26-2013
12-05
finish the email function 

Work done! 12-05-2013
modify the irrigation applied in SMS and RS model
12-06-2013
make up rain data function
12-06-2013