- simplify notification routine (we dont need no rejected action). we
  just check every hour, as in the original code.
- open links directly from Qt
- rename some global variables to make them less cryptic
- move cleanup function to the same module that created them

first pass on giving functionality to the donation reminder

Signed-off-by: kali kaneko (leap communications) <kali@leap.se>

Signed-off-by: kali kaneko (leap communications) <kali@leap.se>