added current percentage discount to user show page

Signed-off-by: Evan Tedesco <evantedesco@gmail.com>
WIP adding remove notification button

Signed-off-by: Evan Tedesco <evantedesco@gmail.com>
user can remove notification

Signed-off-by: Evan Tedesco <evantedesco@gmail.com>
Merge pull request #30 from massmetrics/current_discount_user_show

Current discount user show