Refactor query output formats to support single-line option

[satterly]

can you add an delimiter like in the compact version? or remove the CR (0A) in the middle of the string in the compact version
/cc @mala57

$ alerta query --help
Usage: alerta query [OPTIONS]

  Query for alerts based on search filter criteria.

Options:
  -i, --ids UUID       List of alert IDs (can use short 8-char id)
  -q, --query QUERY    severity:"warning" AND resource:web
  -f, --filter FILTER  KEY=VALUE eg. serverity=warning resource=web
  --oneline            Show alerts using table format
  --medium             Show important alert attributes
  --full               Show full alert details
  -h, --help           Show this message and exit.

Example

$ alerta query --oneline
ID        LAST RECEIVED        SEVERITY       STATUS      DUPL  CUSTOMER    ENVIRONMENT    SERVICE          RESOURCE        GROUP    EVENT                       VALUE             DESCRIPTION
--------  -------------------  -------------  --------  ------  ----------  -------------  ---------------  --------------  -------  --------------------------  ----------------  -------------------------------------------------------------------------------------------------------------
61419b0b  2019/08/14 08:09:40  normal         closed         1              Staging        alert_tester     logdna          Misc     appliance.download_failure                    matching at least 1 lines in a 30 second period, we'll send an alert to this email with all the matched lines
4dc66d9c  2019/08/14 07:59:28  normal         closed         1              Development    service 10       web01           Misc     DownloadFailure
480aa052  2019/08/13 14:09:55  normal         closed        12              Staging        alert_tester     logdna          Misc     DownloadFailure                               matching at least 1 lines in a 30 second period, we'll send an alert to this email with all the matched lines
3c009474  2019/08/13 11:02:41  indeterminate  ack            1              Development    alert_tester     logdna          Misc     DownloadFailure test event                    matching at least 1 lines in a 30 second period, we'll send an alert to this email with all the matched lines
f4fb8049  2019/08/13 10:33:10  normal         closed         3              Development    peer             web02           Misc     UploadFailure                                 Upload of file 1 failed

[mala57]

Thx! :)

[satterly]

This is available immediately as version 7.4.0.