Add the ability to change the data source.

[abalijepalli]

Another problem I just found. In our computer, all the data are kept in the cloud disk, the webui seems can not load the folder correctly. for the create a new project, the default path is "/User/name/" and this path can not be changed,

Originally posted by @mliyuanjie in #108 (comment)

[abalijepalli]

This is not easy to do with the downloaded version for now. You could try creating a shortcut in your home directory. It is something that should be fixed so I created a separate ticket.