[feature]Zhihao&Qiu: change upload folder to 'data'

The upload file name will be keep but the extension name will be changed
to ".config.js"
[feature]Zhihao&Qiu: let viff report placed at data/jobName/buildNumber/
[feature]Zhihao: fix builds report folder index
Merge pull request #27 from twers/reset-folder-structure

Reset folder structure