for your problem of commit it is stange, you are already part of the debian-science team, and you are part of the right group which gives you access to the git repository can you provide the error message when you try to commit ?
thanks Frederic -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org