Removed path from guessed host

- path is not needed here anymore
Merge pull request #982 from opf/remove_folder_from_suggested_host_name

Removed path from guessed host since it is no longer necessary with correct use of static routes outside the view/controller context.
Fix duplication of work package priority in priority drop down
Don't preselect inactive default priorities for new work packages
Add missing encoding header to work packages controller spec
Merge pull request #984 from opf/fix/4008-on-release-3.0

Fix/4008 on release 3.0
new version; updated changelog
fixes cuke limited to date when used with plugin
Make custom value repair migration work with Postgres
updates changelog #5033
Fix variable naming
Disable deactivated custom field columns before timeline rendering
Refactor custom field step
Show filter field set if a boolean custom field filter has been applied
Merged release/3.0 into dev