0.7.0

• Upgrade Kotlin version #141 (carlonzo)
• Fixing issue #127: README Firebase example for groovy DSL doesn't see… #138 (gradlifier)
• Support generateProjectDependencyGraph in SubProject #134 (tedliang)
• Disable publish action in forked repository. #133 (vanniktech)
• Update Gradle Groovy example in README.md #128 (fajarnuha)
• Delete .travis.yml #126 (vanniktech)