Updating screenshots from submodule

.../expected-screenshots/SegmentSelectorEditorTest_saved.png

...d-screenshots/SegmentSelectorEditorTest_saved_details.png

...ed-screenshots/SegmentSelectorEditorTest_saved_reload.png

...enshots/SegmentSelectorEditorTest_update_confirmation.png

...xpected-screenshots/SegmentSelectorEditorTest_updated.png

...screenshots/SegmentSelectorEditorTest_updated_details.png

...-screenshots/SegmentSelectorEditorTest_updated_reload.png

tests/UI/expected-screenshots/SimpleUITest_simplePage.png

...I/expected-screenshots/SimpleUITest_simplePagePartial.png

tests/UI/expected-screenshots/SiteSelector_expanded.png

tests/UI/expected-screenshots/SiteSelector_loaded.png

...I/expected-screenshots/SiteSelector_search_no_results.png

.../UI/expected-screenshots/SiteSelector_search_one_char.png

tests/UI/expected-screenshots/SiteSelector_site_selected.png

tests/UI/expected-screenshots/SitesManager_loaded.png

tests/UI/expected-screenshots/SitesManager_page_1.png

tests/UI/expected-screenshots/SitesManager_page_1_again.png

tests/UI/expected-screenshots/SitesManager_page_2.png

tests/UI/expected-screenshots/SitesManager_search.png

...UI/expected-screenshots/SitesManager_search_no_result.png