make DHT DOS detection more forgiving to bursts

git-svn-id: http://libtorrent.googlecode.com/svn@10242 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged change from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn@10243 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix build error with verbose logging

git-svn-id: http://libtorrent.googlecode.com/svn@10244 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
windows build fix for XP

git-svn-id: http://libtorrent.googlecode.com/svn@10245 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix warning in test_dht

git-svn-id: http://libtorrent.googlecode.com/svn@10246 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
attempted no-exceptions build fix

git-svn-id: http://libtorrent.googlecode.com/svn@10247 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn@10248 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
add todo comment

git-svn-id: http://libtorrent.googlecode.com/svn@10249 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
anonymous mode defaults to false

git-svn-id: http://libtorrent.googlecode.com/svn@10250 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda