remove invalid layers from zip test files
restore zip raster layer style test - still needs a test for vector layers
Allow adding QToolButton's to the toolbars
 * iface.addToolBarWidget()
 * iface.addRasterToolBarWidget()
 * iface.addVectorToolBarWidget()
 * iface.addDatabaseToolBarWidget()
 * iface.addWebToolBarWidget()
translation update: Danish by Jacob