JIRA INFRA-1049 #action In Progress

selectize-bootstrap4-theme v2.0.2 from
https://github.com/const-se/selectize-bootstrap4-theme

To use selectize on a Select or MultiSelect field, add the
selectize-default class. It initializes selectize with the default
options.

JIRA INFRA-644 #action In Progress

Retrieving all items from the database takes some time.
The task is thus handled by the RQ worker.
We use ajax to periodically monitor the status of the job
and redirect to the file when ready.
A progress bar is displayed to let the user see the progress.

The mechanism put in place could be re-used for other use cases.

JIRA INFRA-545 #action In Progress

JIRA INFRA-545

This is to be used for stack of switches only

- a stack_member is linked to an host (device_type has to be "Switch")
- a stack_member is an integer between 0 and 9 (included) or can be None
- the couple (host_id, stack_member) must be unique

JIRA INFRA-267

The class "is-invalid" is removed on all type=text input
on keyup event.

JIRA INFRA-285