Use gnome-shell-calendar-server for Reminders in GNOME
Once gnome-shell#155 is finished the evolution-alarm-notify should not be auto-started in GNOME. This change is for it.
I did two things: a) in the .desktop file I changed OnlyShowIn into NotShowIn entry, because I do not know the reason why it should be hidden everywhere but 5 desktop environments b) I enabled the status icon of evolution-alarm-notify for GNOME
Users can still run the alarm notify on their own, this is only for the auto-start of it after login.eds.patch