v0.2.0

Added

• utils/videogen to generated test content
• WARP catalog generation and parsing
• wall-clock-synchronized media soursce
• multiplexing received video and audio for direct playback via ffplay
• audio track with monotonic beeps and other track with scale sequence beeps
• track selection based on name substring
• loglevel in mlmsub

Changed

• configurable qlog destination
• application log to stderr

Deleted

• The clock namespace and code