Add test #2055
Unlocalize placeholder.pk in templates.\nFixes #2055
Parametrized placeholder pk to take into accout id skew in different databases
Rename test function
Test for #2055 in admin
Fix for #2055 in admin
Added tests for #2055 in the frontend
Fixed plugin pk format in the frontend
Merge pull request #2057 from yakky/feature/unlocalize_placeholder_pk

Unlocalize placeholder pk in templates
Fixes #2055