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)
QtCategoryName=Qt
proImportWizardname=Qt Project
proImportWizardDescription=Import an existing Qt project file (.pro).
newProjectWizardName=Qt Project
newProjectWizardDescription=Create a new Qt for Symbian project.
categoryName=Carbide Qt Category
categoryDescription=Carbide Qt UI
activityName=Qt Activity
activityDescription=Qt Project Creation Wizards