Removed obsolete HLog class and replaced it with Tetragon.Log
everywhere.
Search-Replace Class headers.
Moved time classes from core to util.
moved low-level app updater classes to core.
moved classes from core.display to view.display.
moved getConstructor to util.reflection.
Moved tween classes to util. Optimally core should only contain classes
that are not or rarely used directly by the developer.
moved structures from core to util.
GameLoop gets registered as a system in ClassRegistry.
Compiled intermediate SWC and dist package of Tetragon v1.2.0 Milestone
"Lalande".