Migrate away from deprecated APIs. * SourceRange - use the API not the internal. * MixinModel.find*() use the non-deprecated API that takes ProgressMonitor as additional param. * Don't use the wrongly named TypePatten but the proper TypePattern class name. Change-Id: I07042e7f970975419d02bea07059931776d9e9a4 Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>