merged unit test from RC_1_0

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10305 a83610d8-ad2a-0410-a6ab-fc0612d85776
optimize peer classes a bit

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10308 a83610d8-ad2a-0410-a6ab-fc0612d85776