display-run-command-in-app-show

solum app show <app-name> currently displays the following:

vagrant@devstack:/etc/nova/rootwrap.d$ solum app show java-app
+------------------+---------------------------------------------------------------------+
| Property | Value |
+------------------+---------------------------------------------------------------------+
| app_url | None |
| entry_points | |
| description | default app description. |
| created_at | 2016-05-19T16:44:55 |
| languagepack | java |
| target_instances | 1 |
| ports | [80] |
| source | {u'repository': u'https://github.com/devdattakulkarni/solum-tomcat- |
| | app.git', u'revision': u'master'} |
| trigger | [u'build', u'deploy'] |
| trigger_uuid | 0c3ec555-0933-4755-92fa-a87b9d7a813b |
| id | 28921f26-9e6b-479d-bcb7-db74626b8aa6 |
| name | java-app |
+------------------+---------------------------------------------------------------------+
'java-app' workflows and their status:
+-------+--------------------------------------+---------------------------+
| wf_id | id | status |
+-------+--------------------------------------+---------------------------+
| 1 | a8d074df-f7e2-49af-b32a-c3e168651f7c | ERROR_STACK_CREATE_FAILED |
| 2 | b5be1455-a55b-42fd-991d-1ffd2778b636 | ERROR_STACK_CREATE_FAILED |
+-------+--------------------------------------+---------------------------+

Notice that the run_cmd specified when the app was created is not visible in the output.

We should show the run_cmd since it is important when debugging/diagnosing app deployment failures.