Add 0.2.2 changelog (#475)

Author: gaearon

CHANGELOG.md

@@ -1,3 +1,16 @@
+## 0.2.2 (August 22, 2016)
+
+### Build Dependency (`react-scripts`)
+
+* `npm install`ing a missing dependency now forces a rebuild. ([@gaearon](https://github.com/gaearon) in [#349](https://github.com/facebookincubator/create-react-app/pull/349))
+* Autoprefixer config now includes more commonly supported browsers. ([@kripod](https://github.com/kripod) in [#345](https://github.com/facebookincubator/create-react-app/pull/345))
+* All the configuration is now documented inline so ejecting doesn’t leave you in the dark. ([@gaearon](https://github.com/gaearon) in [#362](https://github.com/facebookincubator/create-react-app/pull/362))
+* `Object.assign()` polyfill is now bundled by default. ([@gaearon](https://github.com/gaearon) in [#399](https://github.com/facebookincubator/create-react-app/pull/399))
+* [React Native Web](https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/) now works out of the box. ([@grigio](https://github.com/grigio) in [#407](https://github.com/facebookincubator/create-react-app/pull/407))
+* Same asset filenames in different folders don’t confuse the server now. ([@arunoda](https://github.com/arunoda) in [#446](https://github.com/facebookincubator/create-react-app/pull/446))
+* The `otf` font format is now supported. ([@A-gambit](https://github.com/A-gambit) in [#434](https://github.com/facebookincubator/create-react-app/pull/434))
+* The `new-cap` linting rule has been disabled thanks to feedback from Immutable.js users. ([@rricard](https://github.com/rricard) in [#470](https://github.com/facebookincubator/create-react-app/pull/470))
+
 ## 0.2.1 (August 1, 2016)
 
 ### Build Dependency (`react-scripts`)