FocusVisualStyle set to null
Local build fix
Trivial test cases are added
Tests are added
Merge pull request #133 from vmoyseenko/DUI-FocusNullDefaultStyle

Remove dotted black rectangle on selected listbox item
Merge pull request #136 from vmoyseenko/DUI-ShortenCategoryNameUnitTest

Unit tests for ShortenCategoryName
Merge branch 'Sitrus2' into DUI-KeyNavigation(fromCategory-to-Category)