fix misspelling of lt_donthave extension in documentation. move specifications of bittorrent extensions to the extension_protocol page

git-svn-id: http://libtorrent.googlecode.com/svn@10275 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix misspelling of lt_donthave extension in documentation. move specifications of bittorrent extensions to the extension_protocol page

git-svn-id: http://libtorrent.googlecode.com/svn@10276 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn@10277 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix lt_donthave bug and add unit test

git-svn-id: http://libtorrent.googlecode.com/svn@10278 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix bug in lt_donthave extension

git-svn-id: http://libtorrent.googlecode.com/svn@10279 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
update changelog

git-svn-id: http://libtorrent.googlecode.com/svn@10280 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged fixes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn@10281 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda