Merge pull request #7 from xhzengAIB/master

update code
Fix Code Style.
Add voice icon button to search bar.

fix  https://github.com/xhzengAIB/MessageDisplayKit/issues/102
Fix code style.
Fix code style.
Fix send the short text message bug.

fix  https://github.com/xhzengAIB/MessageDisplayKit/issues/110
Fix the code style.
setup the scanning tip logic.

fix  https://github.com/xhzengAIB/MessageDisplayKit/issues/108
Update README.md
Merge pull request #8 from xhzengAIB/master

update code
语音相关
Add badge view.

fix  https://github.com/xhzengAIB/MessageDisplayKit/issues/106
Merge pull request #111 from Aevit/master

about voice
修复不能播放语音的问题
Merge pull request #112 from Aevit/master

修复不能播放语音的问题
Add news template UI.

fix  https://github.com/xhzengAIB/MessageDisplayKit/issues/105
Fix code Style.
Fix the code style.
Refactor project and file name.
Fix the error.