działające dodawanie usuwanie, edytowanie w ItemStoreListView
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Merge branch 'master' of https://github.com/maju1993/Projektowanie

Conflicts:
	src/firstIteration/presenter/impl/StoreItemListViewPresenter.java
	src/firstIteration/view/components/AddEditStoreItemDialog.java
	src/firstIteration/view/components/DeleteStoreItemDialog.java
	src/firstIteration/view/components/StoreItemListView.java