BK-1682 Fix language code for Great Britain, add other new languages
BK-1682 Fix language code for Great Britain, add other new languages

MiczFlor/Booktype,olegpshenichniy/Booktype,sourcefabric/Booktype,danielhjames/Booktype,eos87/Booktype,ride90/Booktype,sourcefabric/Booktype,kronoscode/Booktype,MiczFlor/Booktype,kronoscode/Booktype,ride90/Booktype,danielhjames/Booktype,danielhjames/Booktype,MiczFlor/Booktype,eos87/Booktype,kronoscode/Booktype,danielhjames/Booktype,sourcefabric/Booktype,kronoscode/Booktype,MiczFlor/Booktype,sourcefabric/Booktype,eos87/Booktype,kronoscode/Booktype,olegpshenichniy/Booktype,ride90/Booktype,olegpshenichniy/Booktype,ride90/Booktype,MiczFlor/Booktype,danielhjames/Booktype,ride90/Booktype,sourcefabric/Booktype,olegpshenichniy/Booktype,eos87/Booktype,olegpshenichniy/Booktype,eos87/Booktype