Ref #31 paginate for message statistics and fix some bugs
fix bug #214 agent address info
fix bug #215   csv file
fix bug #219
fix bug #220
fix bug #213, terminal index page show terminal's merchant and agent
Ref #38 merchant's agent for admin
completed #38 merchant select agent
terminal version model migrate
controller and index page
termianl version
version branch
app version
sub menu
update
Ref#41 feedbacks

*model
*controller
*css
*js
*view
add js validate
edit and update
add download model and controller
complete download