1.0.0-alpha.36

• Dropped support for Node < 8
• Updated dev deps (fixed npm audit issues)
• Reworked build pipeline
  • Package provides dist/csstree.js and dist/csstree.min.js now (instead of single dist/csstree.js that was a min version)
  • Bundle size (min version) reduced from 191Kb to 158Kb due to some optimisations
• Definition syntax
  • Renamed grammar into definitionSyntax (named per spec)
  • Added compact option to generate() method to avoid formatting (spaces) when possible
• Lexer
  • Changed dump() method to produce syntaxes in compact form by default