coredumpctl: display non-coredump coredump entries too

coredumpctl: display non-coredump coredump entries too

$ ./coredumpctl --no-pager -1
TIME                            PID   UID   GID SIG COREFILE EXE
Sun 2016-11-06 10:10:51 EST   29514  1002  1002   - -        /usr/bin/python3.5

$ ./coredumpctl info 29514
           PID: 29514 (python3)
           UID: 1002 (zbyszek)
           GID: 1002 (zbyszek)
        Reason: ZeroDivisionError
     Timestamp: Sun 2016-11-06 10:10:51 EST (3h 22min ago)
  Command Line: python3 systemd_coredump_exception_handler.py
    Executable: /usr/bin/python3.5
 Control Group: /user.slice/user-1002.slice/user@1002.service/gnome-terminal-server.service
          Unit: user@1002.service
     User Unit: gnome-terminal-server.service
         Slice: user-1002.slice
     Owner UID: 1002 (zbyszek)
       Boot ID: 1531fd22ec84429e85ae888b12fadb91
    Machine ID: 519a16632fbd4c71966ce9305b360c9c
      Hostname: laptop
       Storage: none
       Message: Process 29514 (systemd_coredump_exception_handler.py) of user zbyszek failed with ZeroDivisionError: division by

                Traceback (most recent call last):
                  File "systemd_coredump_exception_handler.py", line 134, in <module>
                    g()
                  File "systemd_coredump_exception_handler.py", line 133, in g
                    f()
                  File "systemd_coredump_exception_handler.py", line 131, in f
                    div0 = 1 / 0
                ZeroDivisionError: division by zero

                Local variables in innermost frame:
                  a=3
                  h=<function f at 0x7efdc14b6ea0>