Log Message:
py-djangocms-icon: updated to 1.5.0

1.5.0:
Added support for Django 3.0

1.4.2:
Added further tests to raise coverage
Fixed smaller issues found during testing
Fixes an issue with older installations
Fixes double save issue, where icon is lost

1.4.1:
Fixes an issue where the icon widget throws a Javascript error

1.4.0:
Added support for Django 2.2 and django CMS 3.7
Removed support for Django 2.0
Extended test matrix
Fixes an issue when using multiple icons on different models #20

1.3.0:
Added support for Font Awesome 5
Added support for custom data iconset
Added isort and adapted imports
Fixed an issue where Font Awesome is not rendered on a clean install
Extended test matrix
Adapted code base to align with other supported addons