Add CLI for stratagem reports

[ip1981]

[root@adm ~]# iml stratagem report 
+------------------------------------------------------------+------+---------------------------------+
| Filename                                                   | Size | Modify Time                     |
+============================================================+======+=================================+
| expiring_fids-fs2-1109de19-6952-4167-bb6d-c7a574baa44e.txt | 65   | Mon, 12 Oct 2020 12:29:48 +0000 |
+------------------------------------------------------------+------+---------------------------------+
| expiring_fids-fs2-eb539883-1ba1-409a-a23e-c812fcb8f214.txt | 65   | Mon, 12 Oct 2020 13:21:49 +0000 |
+------------------------------------------------------------+------+---------------------------------+
| expiring_fids-fs2-a6102211-77d8-4d75-b43d-7e1868ff8115.txt | 65   | Mon, 12 Oct 2020 13:21:54 +0000 |
+------------------------------------------------------------+------+---------------------------------+

[root@adm ~]# iml stratagem scan fs2 -r 120s
✔ Stratagem: Scanning all MDT's successful
[root@adm ~]# iml stratagem report list -d json
[
  {
    "filename": "expiring_fids-fs2-1109de19-6952-4167-bb6d-c7a574baa44e.txt",
    "modify_time": "2020-10-12T12:29:48.024442132Z",
    "size": 65
  },
  {
    "filename": "expiring_fids-fs2-eb539883-1ba1-409a-a23e-c812fcb8f214.txt",
    "modify_time": "2020-10-12T13:21:49.849442132Z",
    "size": 65
  },
  {
    "filename": "expiring_fids-fs2-a6102211-77d8-4d75-b43d-7e1868ff8115.txt",
    "modify_time": "2020-10-12T13:21:54.875442132Z",
    "size": 65
  },
  {
    "filename": "expiring_fids-fs2-c54c67e9-1310-43b3-be22-e6125defd85b.txt",
    "modify_time": "2020-10-12T14:51:53.138442132Z",
    "size": 65
  }
]
[root@adm ~]# iml stratagem report remove expiring_fids-fs2-c54c67e9-1310-43b3-be22-e6125defd85b.txt
[root@adm ~]# iml stratagem report 
+------------------------------------------------------------+------+---------------------------------+
| Filename                                                   | Size | Modify Time                     |
+============================================================+======+=================================+
| expiring_fids-fs2-1109de19-6952-4167-bb6d-c7a574baa44e.txt | 65   | Mon, 12 Oct 2020 12:29:48 +0000 |
+------------------------------------------------------------+------+---------------------------------+
| expiring_fids-fs2-eb539883-1ba1-409a-a23e-c812fcb8f214.txt | 65   | Mon, 12 Oct 2020 13:21:49 +0000 |
+------------------------------------------------------------+------+---------------------------------+
| expiring_fids-fs2-a6102211-77d8-4d75-b43d-7e1868ff8115.txt | 65   | Mon, 12 Oct 2020 13:21:54 +0000 |
+------------------------------------------------------------+------+---------------------------------+

Signed-off-by: Igor Pashev pashev.igor@gmail.com

---

This change is 

[mkpankov]

Reviewed 6 of 6 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ip1981)

[jgrund]

Nit, it would be nice to display this as a human readable string (number-formatters). This file could be pretty large