Creating meta-data as system objects. Issue #2322.
Fix key selection "Test insert into statements with values on web visit data model"  so that test doesn't damage key allocator.

https://github.com/Starcounter/Starcounter/issues/2340
Confirm fix #2340 and #2322.
Merge branch 'next' of github.com:Starcounter/Starcounter into Sysobjects
Minor rollback fix.