save operation metadata
Revert "save operation metadata"

This reverts commit 0c72c77a772bad69ff9d3be1307533c73d0725a0.
Remove operation log
tweak comment
Start workspace
edit ntoes
Store: implement real deletion
Workspace stuff
Make persistent roots have a gcroot flag. If yes, they will not be collected by the GC, otherwise, they will be.

The intent is that typically, only one persistent root would be a gcroot, e.g. "Workspaces".
Add weak reference type
rewrite GC code
Continue workspace
StoreBrowser: enable opening Workspace's store
doc tweak
Few tweaks to store browser
add note to self
Refactor weakReferenceType -> referenceType
workspace work
Rewriting COObject/COEditingContext to support object graphs and schema use.
Factor out -schema