Merge pull request #18 from duckchat/beta-2

init site , check config.php exists

Merge pull request #14 from duckchat/develop

Develop(fix group speakers bug)

Merge pull request #4 from duckchat/beta

Beta

Merge pull request #2 from duckchat/beta

fix siteConfig upgrade

Merge pull request #1 from duckchat/beta

1.0-beta-5