Fix special characters in pause and message menu
Fix game pause in singleplayer
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/game.cpp
Merge remote-tracking branch 'proller/drop'
Use fixed-width format specifiers in serializeStructToString
fix script lock
Disable drop by liquid
Merge remote-tracking branch 'minetest/master'
no crush
fix node drop locking