Add possibility to fork a repository, refs #106
Open the new repository after a fork.

This behaviour is consistent with the website and solves the issue of
forking an already forked repository.
Merge pull request #612 from jonanp/fork

Add forking support
Revert "Add forking support"
Merge pull request #614 from github/revert-612-fork

Revert "Add forking support"
Update Travis CI configuration for Gradle
Add extra libraries
Merge branch 'master' of https://github.com/fadils/android