Updated references to gisfin package (earlier: fingis)
Moved get_hkk_address() to gisfin's get_helsinki_spatial(), stored also in inst/extras/hkk_address.R
Small updates in Imports, added also coordinate information to get_hsy()
Updated tutorial: added knit-code, linked to get_helsinki_spatial() in gisfin, removed get_hkk_address_data() examples