factor out parse_tracker_response and add unit tests. make gen_todo cover tests also, and regenerate todo.html

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10337 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix bug in HTTP scrape response parsing

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10338 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged bugfix in http scrape response parsing from RC_0_16

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10339 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged changes from RC_1_0

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10340 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix bencoding unit test

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10341 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged unit test fix from RC_0_16

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10342 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged fix from RC_1_0

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code@10343 a83610d8-ad2a-0410-a6ab-fc0612d85776