says the pull requests are welcome

git-svn-id: svn://scm.gforge.inria.fr/svnroot/spoon/trunk/spoon-core@2354 b1f50995-73fd-43b8-8ca2-fbc405a04e82
adds a list of contributors

git-svn-id: svn://scm.gforge.inria.fr/svnroot/spoon/trunk/spoon-core@2355 b1f50995-73fd-43b8-8ca2-fbc405a04e82
adds Matias to the list of contributors

git-svn-id: svn://scm.gforge.inria.fr/svnroot/spoon/trunk/spoon-core@2356 b1f50995-73fd-43b8-8ca2-fbc405a04e82