Update plugin 'Package Control'

更新插件 Package Control
Update 'Preferences.sublime-settings' and add a snippet

1. 更新 Preferences.sublime-settings 的设置
2. 从 https://github.com/ywzhaiqi/Sublime-Packages/blob/master/js
/console-log.sublime-snippet 处
添加代码片段文件 console-log.sublime-snippet