fixes spagetti typo

all instances of spagetti (in food.dmi, snacks.dm, and recipes_microwave.dm) have been changed to spaghetti, as well as boiledspagetti
removes pointless fire_dir changes
more shitty typo fixes
adds apostrophes to descriptions and makes italian accent consistent
Merge pull request #4114 from quiltyquilty/testing

fixes spagetti typo