Just giving this one a bump. It would be good to hear if this is possible?
I would assume that changing the installation folder for specific extension files would be pretty straight forward, but my assumptions have been plenty wrong in the past :).
It would be GREAT to be allowed this flexibility. I appreciate there maybe branding reasons for wanting 'WA_' to proceed the directory names and have them at the root, but doing it this way puts me off using the extensions on team-based projects quite a lot.