complete task#9
complete task#9
fix review indication
Merge pull request #15 from tkutsuwada/feat/TotalPayment

Feat/total payment
move to confirm activity
add DiscountListFragment
refactor
refactor
delete disused files
unify to TotalPaymentFragment
refactor
delete unused files
string
Merge pull request #16 from KohichiNishide/ui/confirm_screen

Ui/confirm screen
show total payment price
Merge pull request #17 from KohichiNishide/ui/confirm_screen

show total payment price
add price down button
refactor
adjust text size
adjust layout