Build issue when using with Superuser

[changcc5]

On line 50 of build.gradle (the line that begins with "repoInfo = new groovy.json.JsonSlurper().parseText") , I'm getting

Error:(50) A problem occurred evaluating project ':Widgets:Widgets'.
> Cannot get property 'user' on extra properties extension as it does not exist

Same with repo.

If i change repo and user to static strings, then the error is

Error:(50) A problem occurred evaluating project ':Widgets:Widgets'.
> No such property: repoInfo for class: org.gradle.api.internal.project.DefaultProject_Decorated

Please help. This is rather urgent actually. Thank you!

P.S. I should mention that I'm trying to build with Android Studio