remove pch.hpp

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10048 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
initialize pad files to priority 0 by default

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10049 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
fix build

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10050 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
more build fixes

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@10051 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda