update message.proto
update message.proto

Add some comments so that I don't forget about these

License: MIT
Signed-off-by: David Dias <ed6da648d6df869bea6f3935889f3a8d97818ba7@gmail.com>

kyledrake/go-ipfs,tswindell/go-ipfs,ianopolous/go-ipfs,Quantomicus/go-ipfs,JustinDrake/go-ipfs,WilliButz/go-ipfs,rht/go-ipfs,Luzifer/go-ipfs,kyledrake/go-ipfs,OpenBazaar/go-ipfs,JustinDrake/go-ipfs,OpenBazaar/go-ipfs,JustinDrake/go-ipfs,insionng/go-ipfs,chriscool/go-ipfs,rht/go-ipfs,rht/go-ipfs,MichaelMure/go-ipfs,chriscool/go-ipfs,MichaelMure/go-ipfs,WilliButz/go-ipfs,tswindell/go-ipfs,kyledrake/go-ipfs,Luzifer/go-ipfs,llawall/go-ipfs,MichaelMure/go-ipfs,chriscool/go-ipfs,llawall/go-ipfs,ianopolous/go-ipfs,llawall/go-ipfs,tswindell/go-ipfs,insionng/go-ipfs,OpenBazaar/go-ipfs,Quantomicus/go-ipfs,Quantomicus/go-ipfs,WilliButz/go-ipfs,insionng/go-ipfs,ianopolous/go-ipfs,Luzifer/go-ipfs