added 2nd level (alt_gr) shift; added norwegian, cyrillic and extened the uk layouts; altered the switch mechanism
added 2nd level (alt_gr) shift; added norwegian, cyrillic and extened the uk layouts; altered the switch mechanism

rvedam/Mezzano,varjagg/Mezzano,froggey/Mezzano,rvedam/Mezzano,varjagg/Mezzano,froggey/Mezzano