fix signed/unsigned bitfield issue in file_storage

git-svn-id: http://libtorrent.googlecode.com/svn@9994 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merge bitfield issue fix from RC_0_16

git-svn-id: http://libtorrent.googlecode.com/svn@9995 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix local service discovery for magnet links

git-svn-id: http://libtorrent.googlecode.com/svn@9996 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged lsd fix from RC_0_16

git-svn-id: http://libtorrent.googlecode.com/svn@9997 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged changes from trunk

git-svn-id: http://libtorrent.googlecode.com/svn@9998 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
support storing save_path in resume data

git-svn-id: http://libtorrent.googlecode.com/svn@9999 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda