Improving distro-tracker to better support Debian Teams

Description of the project: distro-tracker is a set of services tailored to distribution developers, package maintainers, and anybody who might have to interact with those people (upstream developers, bug reporters, advanced users, etc). It lets you follow almost everything related to the life of a package (or of a set of packages). The goal of this project is to design and implement new features on distro-tracker to better support Debian Teams workflow. The idea is to implement features from PET (Package Entropy Tracker) in distro-tracker teams page with some enhancements. Moreover, this GSoC project may include several contributions to distro-tracker, such as bug fixes and refactoring.