1. Final ajustments to categories_edit template to work with site config field hiding engine.
2. Custom field options list made smaller.
3. no_special parameter added to inp_label block.
4. Some debug code removed from kApplication class.
5. Added tags FieldVisible and FieldsVisible to show/hide fields based on data from site configs.
6. Global template compiler (from system tools section) now works only with enabled themes.
7. Fixed some warning on import/export screen.
8. #27460 - Admin: Hide Fields & Sections marked in Site Configs