Integrate Laura Perez Carrato's 8- & 16-bit JPEG enhancement support code.
Integrate Laura Perez Carrato's 8- & 16-bit JPEG enhancement support code.


git-svn-id: http://squeakvm.org/svn/squeak/trunk@3741 fa1542d4-bde8-0310-ad64-8ed1123d492a

Former-commit-id: 993a4d81b5b6ab360ed2e23177ae3c29fa141b6d
peteruhnak/pharo-vm,bencoman/pharo-vm,peteruhnak/pharo-vm,timfel/squeakvm,bencoman/pharo-vm,bencoman/pharo-vm,bencoman/pharo-vm,bencoman/pharo-vm,timfel/squeakvm,peteruhnak/pharo-vm,OpenSmalltalk/vm,peteruhnak/pharo-vm,bencoman/pharo-vm,OpenSmalltalk/vm,OpenSmalltalk/vm,peteruhnak/pharo-vm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,peteruhnak/pharo-vm,timfel/squeakvm,bencoman/pharo-vm,OpenSmalltalk/vm,peteruhnak/pharo-vm,bencoman/pharo-vm,bencoman/pharo-vm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,peteruhnak/pharo-vm,timfel/squeakvm,OpenSmalltalk/vm