0.4.3 (microsoft#17)

* Update changelog

* Bump core + fabric to 0.4.3

Merge pull request microsoft#15 from Microsoft/0.4.2

0.4.2

[Core][Fabric] version bump to 0.4.1 + add changelog

Merge pull request microsoft#4 from Microsoft/bugfix/inner-react-rend…

…er-props-not-render

React-wrapped components inside inside ng-template don't re-render on changes