Currently the progit hook uses relative URLs, it would be nicer that it uses full URLs so that links in the email can be used directly.
Commit 59f3c138 relates to this ticket
Fixed in http://209.132.184.222/progit/5cfe56efde6b7aeb33f89e795d9a90f234f1e860
Commit 30c1c533 fixes this ticket
Commit 6efa4da1 fixes this ticket
Commit e4ae01ae relates to this ticket
Commit 5cfe56ef fixes this ticket
Commit 6efa4da1 fixes this issue
Commit 30c1c533 fixes this issue
Commit 5cfe56ef fixes this issue