more Linux fixes. Couple issues found: 1) Rescanning SDKs causes deadlock. 2) SDK cache is not working for Linux 3) Can't import when SBS is not installed (and there's not error msg)
_UI_AddListBoxItem=Add List Box Item
_UI_AddChoiceListItem=Add Choice List Item
_UI_ConfigureSBBType=Select System Building Block Type
_UI_AddViewPage=Add View Page
_UI_SelectViewPage=Select View Page