chore: prepare release 0.29.0 [ci skip]

Author: miroslavstastny

CHANGELOG.md

@@ -17,6 +17,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+<!--------------------------------[ v0.29.0 ]------------------------------- -->
+## [v0.29.0](https://github.com/stardust-ui/react/tree/v0.29.0) (2019-04-24)
+[Compare changes](https://github.com/stardust-ui/react/compare/v0.28.1...v0.29.0)
+
 ### BREAKING CHANGES
 - Rename `inputFocusBorderBottomColor` to `inputFocusBorderColor` in `InputVariables` @layershifter ([#1247](https://github.com/stardust-ui/react/pull/1247))