message: [changelog] 0.11.6
diff: ## Changelog
  +### [0.11.6](https://github.com/youzan/vant/tree/v0.11.6)
  +`2017-12-07`
  +
  +**Improvements**
  +- Picker: support click to select and disabled option [\#370](https://github.com/youzan/vant/pull/370) [@chenjiahan](https://github.com/chenjiahan)
  +- Tab: support sticky prop [\#382](https://github.com/youzan/vant/pull/382) [@chenjiahan](https://github.com/chenjiahan)
  +- Tab: improve animation fluency [\#379](https://github.com/youzan/vant/pull/379) [@chenjiahan](https://github.com/chenjiahan)
  +
  +**Bug Fixes**
  +- fix Popup overlayClass type [\#374](https://github.com/youzan/vant/pull/374) [@chenjiahan](https://github.com/chenjiahan)
  +- fix Filed number type value filter [\#386](https://github.com/youzan/vant/pull/386) [@chenjiahan](https://github.com/chenjiahan)
  +- fix Icon 'new' display [\#381](https://github.com/youzan/vant/pull/381) ([@pangxie1991](https://github.com/pangxie1991))
  +- fix Sku button border radius [\#378](https://github.com/youzan/vant/pull/378) [@chenjiahan](https://github.com/chenjiahan)
  +- fix Radio & Checkbox disabled color [\#383](https://github.com/youzan/vant/pull/383) [@chenjiahan](https://github.com/chenjiahan)
  +
  +
  ### [0.11.5](https://github.com/youzan/vant/tree/v0.11.5)
  `2017-12-04`
  **Bug Fixes**
  - fix Tab active block disappeared when delete tab [\#372](https://github.com/youzan/vant/pull/372) [@chenjiahan](https://github.com/chenjiahan)
  +
  ### [0.11.4](https://github.com/youzan/vant/tree/v0.11.4)
  `2017-11-30`
  