Changelog: update for 1.0.7

CHANGELOG.en-US.md

 ## Changelog
 
+### 1.0.7
+
+*2016-12-14*
+
+- Fixed DatePicker dropdown appears when hovering on the clear button
+- Fixed DatePicker displays a wrong date when its initial value is null
+- Added `row-contextmenu` event and `max-height` attribute for Table, #1663 #1674
+- Added `customClass` attribute for MessageBox, #1707
+- Added `iconClass` and `customClass` attributes for Message and Notification, #1671
+- Added empty slot for Table, #1737
+- Added old value as a second parameter in change event for InputNumber
+
 ### 1.0.6
 
 *2016-12-09*

CHANGELOG.zh-CN.md

 ## 更新日志
 
+### 1.0.7
+*2016-12-14*
+
+- 修复 DatePicker 在有值的情况下 hover 清空按钮时会错误地显示弹框
+- 修复 DatePicker 设置默认值为 null 会错误地显示时间值
+- 新增 Table 的 `row-contextmenu` 事件和 `max-height` 属性，#1663 #1674
+- 新增 MessageBox 的 `customClass` 属性，#1707
+- 新增 Message 和 Notification 的 `iconClass` 和 `customClass` 属性，#1671
+- 新增 Table 支持 empty slot，#1737
+- 改进 InputNumber change 事件增加 old value 的参数
+
 ### 1.0.6
 *2016-12-09*