Move some TODOs here from resample.c.
Move some TODOs here from resample.c.

Move notes about skeleton files to top, for findability.

jacksonh/sox,mhartzel/sox_personal_fork,davel/sox,cbagwell/sox,CaptainHayashi/sox,jacksonh/sox,jacksonh/sox,CaptainHayashi/sox,Motiejus/sox,cbagwell/sox,Motiejus/sox,jacksonh/sox,MageSlayer/sox,CaptainHayashi/sox,MageSlayer/sox,pcqpcq/sox,Distrotech/sox,uklauer/sox,pcqpcq/sox,cbagwell/sox,Motiejus/sox,MageSlayer/sox,Distrotech/sox,pcqpcq/sox,davel/sox,pcqpcq/sox,CaptainHayashi/sox,davel/sox,Motiejus/sox,uklauer/sox,Distrotech/sox,uklauer/sox,MageSlayer/sox,mhartzel/sox_personal_fork,davel/sox,Distrotech/sox,cbagwell/sox,mhartzel/sox_personal_fork,MageSlayer/sox,uklauer/sox,mhartzel/sox_personal_fork