Make AAT StateTable reusable
Don't rely on dfont names
Add support for decoding the AAT bsln table
Decode AAT feat table
Make AAT LookupTables invisible to pointers

They should be relative to the parent structures
Add old version of AAT StateTable
Fix decoding name table
Add support for decoding the AAT justification table
Decode AAT opbd table
Clean up JSTF
Split up OpenTypeProcessor methods a bit