Shared.pm: rename show_current() to show_as_at() to generalize it
Shared.pm: rename show_current() to show_as_at() to generalize it

Also make print_schedule_object() take an optional indent parameter.

Signed-off-by: Nathan Cutler <f9d8c66a4e898e67db786769b5b347b640e1a9a6@suse.cz>

smithfarm/dochazka-cli