Dropped hsched (scheduler handle) argument sccoredb_connect.

https://github.com/Starcounter/Starcounter/issues/1600
Pass scheduler count as argument to sccoredb_connect instead of later fetching it from scheduler.

https://github.com/Starcounter/Starcounter/issues/1600
Moved interaction with scheduler on database kernel attached thread to host.

https://github.com/Starcounter/Starcounter/issues/1600
Moved managing yield block on kernel callback to host.

https://github.com/Starcounter/Starcounter/issues/1600
Late binding kernel yield callback.

https://github.com/Starcounter/Starcounter/issues/1600
Late binding kernel end auto detach callback.

https://github.com/Starcounter/Starcounter/issues/1600
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into lateBindingK2S
Late binding kernel scheduler ping callback.

https://github.com/Starcounter/Starcounter/issues/1600
Removed empty output sccoredb_connect (no longer being used for anything).
Pass performance counter file map to database kernel and set counter values directly into shared memory from database kernel instead of by way of the scheduler.

https://github.com/Starcounter/Starcounter/issues/1600
Pass performance counter file map to database kernel and set counter values directly into shared memory from database kernel instead of by way of the scheduler.

https://github.com/Starcounter/Starcounter/issues/1600
Late binding kernel scheduler query high memory condition callback.

https://github.com/Starcounter/Starcounter/issues/1600
Merge branch 'lateBindingK2S' of https://github.com/Starcounter/Starcounter into develop
Clean-up scheduler interface functions.
Merge branch 'develop' into issue/1604-1605