Added a new DemoTimelineController component that syncs the demo time to the timeline
Left in the demo track class as it's a useful way of sizing timelines to the demo length, though the class no longer does anything at runtime
Add a new DemoTrack Timeline class
Accepts a demo name and can auto size to the demo length
When a demo is playing back the track will attempt to keep the demo in sync with the timeline
Updated timeline package to 1.6.2
Added admin command entity.downloadsign which downloads the sign the player is currently looking at to a folder into the game folder with a given filename.
Same usage restrictions apply as client.
Downloads all frames of neon signs and appends them as 1,2,3, etc