本地推送显示样式跟离线推送样式同步
Merge branch 'develop' of https://github.com/easemob/sdkexamples-ios into develop

# By jifang1218
# Via jifang1218
* 'develop' of https://github.com/easemob/sdkexamples-ios:
  add comments.
  fix reconnect bubble not disappear issue.