3.0.0

• views are no longer auto-keyed by model
• model renamed to data (vm.data) and now passed to many api functions
• vm.hook() & vm.diff() -> vm.config({hooks: ..., diff: ...})
• ES6 class views dropped in favor of plain object views
• reserved vm.state & vm.api for userland
• autoPx moved up to micro build which also gained defineElementSpread & defineSvgElementSpread
• vm.lazyList() & LAZY_LIST optimizations
• allow returning vm.node from render() for 0-diff
• xlink:href support in SVG
• streamFlyd addon removed from core and into demos
• more DEVMODE warnings
• DEVMODE build now includes dom mutation observer
• demo playground
• obscure bug fixes
• build script simplifications & simplified feature gates