Add cost_object_id to the list of the allowed_filter_types_by_field
Merge pull request #94 from netfighter/feature/10232_wp_filters_added_in_plugins_not_displayed
Add changelog entry
Bump version to 3.0.8

Due to our (new) convention plugins inherit their versions from the
OpenProject core. The next stable release of the OpenProject core is
3.0.8.
Merge branch 'release/3.0' into dev
Bump version to corresponding core version