- Fixed 1.0 regression where the "noload" loader strategy would fail

- Fixed 1.0 regression where the "noload" loader strategy would fail
to function for a many-to-one relationship.  The loader used an
API to place "None" into the dictionary which no longer actually
writes a value; this is a side effect of :ticket:`3061`.
- remove InstanceState._initialize() totally, it's used nowhere
else and no longer does what it says it does
- fill in fowards-port version ids throughout the changes for 1.0.9

(cherry picked from commit 5198b1de31029cc985102cd13569086a7056c2f1)