Changelog: update for 2.0.1

CHANGELOG.en-US.md

 ## Changelog
 
+### 2.0.1
+
+*2017-10-28*
+
+- Fixed style error of RadioButton and CheckboxButton, #7793
+- Fixed TimePicker not respond to mouse scroll in some conditions, #7811
+- Fixed incomplete styles of some components when imported on demand, #7811
+
 ### 2.0.0 Carbon
 
 *2017-10-27*

CHANGELOG.zh-CN.md

 ## 更新日志
 
+### 2.0.1
+
+*2017-10-28*
+
+- 修复 RadioButton 和 CheckboxButton 的样式问题，#7793
+- 修复 TimePicker 在某些情况下无法滚动的问题，#7811
+- 修复部分组件在按需引入时样式不完整的问题，#7811
+
 ### 2.0.0 Carbon
 
 *2017-10-27*