[V3dot10] Tentative of start 3.11

[Edgar J. De Cleene]

Guys:

I send tons of mail to Ralph, but no answer.

Following previous ideas of reach MininimalMorphic from the top, I rip
several things .

I put the interim image at
http://ftp.squeak.org/3.10alpha/Squeak3.11.alpha.7160.zip

for feedback.

Edgar