Bump release to 0.3, update doc and spec file
Add method to retrieve all the packages where the user as watch* ACLs
Expose in the internal API the method to retrieve all the packages watched by the user
Add unit-test to Package.get_package_watch
Add unit-test to pkgdblib.get_package_watch
In the info page about a packager display the packages watched by the user

This comes as complementary with the information about the packages for which the
user is POC and the packages for which the user has commit rights but is not POC