Fixes bugs and false warnings in button and bitmap parsing
Unifies parsing of eagerly and lazily parsed tags
Increases height of profiler output panel to accomodate parser timeline
Small cleanups in utilities.ts
Remove some somewhatImplemented warnings

These got in the way of trace tests after some changes to how logging of warnings works.
Fixes bug that caused sprite timeline parsing to break down almost completely
Fixes bugs in font parsing and registration
Fixes bug in PlaceObject clip event parsing
Properly detect device font symbols as such