Sketching advanced PID handling through WUI
advanced PID handling
Merge branch 'development' of https://github.com/kata-csc/ckanext-kata into 505-advanced-pid-handling-in-wui
Test check_pids
Move legacy dataset conversion to schema, PID handling working
Do some PID handling in package_create and package_update
Advanced PID handling working in WUI
Merge branch '505-advanced-pid-handling-in-wui' of https://github.com/kata-csc/ckanext-kata into development

    Conflicts:
        ckanext/kata/settings.py