Add one more asertion to sharing storage test
Refactor sharing storages
Add relations: user-things, users-categories
Add Categories controller
Test for controllers - not logged
Change add to new and add view
All test for categories controller
Add views for categories
passed test access control and unit to categories
All test passed for categories
All test passed for categories + new files
Fix showing Kategorie instead of Moje kategorie
Fix showing Categories instead of My categories
Fix showing Yes and No