TMSS-849: improved resolved_refs by making it fetch the definitions from the remote schema, and injecting it in the local schema's definitions.

TMSS-849: quick fix for handling the altered strategy templates which use non-task--references now as well. The code looks very task-handling-oriented which is fine while dealing with tasks only.

From master into TMSS-849-Commissioning-sprint-9

See merge request !512

TMSS-745: Responsive Telescope

Closes TMSS-745

See merge request !504

Resolve TMSS-655

Closes TMSS-655

See merge request !509

Resolve TMSS-820

Closes TMSS-820

See merge request !507

TMSS-745: lenght of test and number of created instances has effect on GET-lists due to pagination. Fixed.

TMSS-745: skip templates  which have no known scheduling_constraints_template which can be used while dynamic scheduling

TMSS-745: fixed inheritance for Meta class in various models. Otherwise base Meta properties (like constraints) are missed.

Resolve TMSS-708

Closes TMSS-708

See merge request !508

TMSS-745: pulled out common version number code for templates, and applied it to SchedulingUnitObservingStrategyTemplate as well.

TMSS-462: Added access-denied page component. Changed access-control api call...

Closes TMSS-462

See merge request !511