merged changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10263 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix another boost.chrono time overflow issue

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10264 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
test build fix. another boost.chrono overflow issue fixed

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10266 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
merged changes from RC_1_0

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10267 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
test build fix

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10268 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda