Support for custom logos

[sciolto]

Atlassian allows to assign custom logos to Jira projects. The icinga integration only uses the default logos, also when a custom logo is used in the Jira project.
It would be great to see the custom logo in the Icinga integration as well.

[moreamazingnick]

that already works for the cloud installation, but for the server installation I get a forbidden 403 on the logo.

jira cloud: