2.5.0

• Added experimental binary data encoding (codename JSONXL)
• Added --experimental-jsonxl option for all the commands
• Changed data and cache to return raw data without wrapping into { name, createdAt, elapsed, data: ... }
• Added X-File-Created-At and Last-Modified headers in server's response to provide data birth time when possible
• Added model as is to model's app context
• Removed meta from model's app context (use #.model.meta instead)
• Changed build command to output writing model files when --single-file is specified
• Bumped minimal version of @discoveryjs/discovery to ^1.0.0-beta.72