Show COLLATE column in "describe" console command.

It is useful to see the COLLATION set on the property.
```
-------------------------------+-------------+-------------------------------+-----------+----------+----------+-----------+-----------+----------+
 NAME                          | TYPE        | LINKED TYPE/CLASS             | MANDATORY | READONLY | NOT NULL |    MIN    |    MAX    | COLLATE  |
-------------------------------+-------------+-------------------------------+-----------+----------+----------+-----------+-----------+----------+
 FirstName                     | STRING      | null                          | true      | false    | false    | 1         | 50        | ci       |
 Updated                       | DATETIME    | null                          | false     | false    | false    |           |           | default  |
 LastName                      | STRING      | null                          | true      | false    | false    | 1         | 50        | ci       |
 Created                       | DATETIME    | null                          | false     | false    | false    |           |           | default  |
-------------------------------+-------------+-------------------------------+-----------+----------+----------+-----------+-----------+----------+
```