Make mapgen factory setup more elegant, add mapgen_v6.h
Fix compile under MingW
Slightly improved version of mystrtok_r
Add Spanish, Russian, Polish and Romanian languages.
Merge pull request #441 from kwolekr/mapgen_factories

Make mapgen factory setup more elegant, add mapgen_v6.h
Merge pull request #442 from kwolekr/mingw_compile_fix

Fix compile under MingW
Merge branch 'master' of https://github.com/celeron55/minetest
Merge branch 'master' of https://github.com/blue42u/metology