add app configs
add "delete config" function
add client api
add https required
add system.properties for heroku
add heroku config
test ssl on heroku
test ssl
test ssl 2nd
test ssl 3rd
test ssl 4th
test ssl 5th
test ssl 6th
test ssl 7th
test ssl 8th
test ssl 9th
add system properties to heroku runtime
test charset on heroku
refactor api domain