fix typos
0005544: added state title getters to billing and shipping address templates
0005544: return id for testing
0005544: implementation of state title getter in oxadress, and initial method in oxstate created
removed unused method
corrected header
package information already included in header
0005544: updated doc
0005544: marked getState as deprecated, getStateTitle ID parameter is now optional
0005544: added oxState getter, marked getState as deprecated, getStateTitle ID parameter is now optional
updated deprecated method usage
0005544: update method calls
0005544: added state title getter by provided ID
0005544: updated method usage in templates, commented out some assertions