merge changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10336 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
factor out parse_tracker_response and add unit tests. make gen_todo cover tests also, and regenerate todo.html

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10337 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10340 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda