2.1.0

• Added: postcss-initial
  (a907881).
  Supports initial value for all properties. Also it supports all: initial.
  Does not support all: unset and all: inherit.
  Plugin can be useful for creating isolated components.
  • all specification: https://drafts.csswg.org/css-cascade/#all-shorthand
  • all browsers support: http://caniuse.com/#feat=css-all
  • initial value specification: https://drafts.csswg.org/css-cascade/#initial-value
  • initial value browser support: http://caniuse.com/#feat=css-initial-value