Added gradlew so that we can build without gradle
Updated README
Turned off the label function
Changed the page title
Updated the config
Changed to relative path
Updated the history status
Fixed the bug that can not display error info
Added the export label data function
Added links for data
Merge remote-tracking branch 'origin/master'
Added google analytics
Update google analytics
Updated the download description
Merge branch 'master' of github.com:zsxwing/koala