merge changes from RC_1_0

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10382 a83610d8-ad2a-0410-a6ab-fc0612d85776
make test_metadata_extension test uTP vs. TCP as well, and polish output

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10383 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix bug in peer_connection causing it to not connect when not having metadata

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10384 a83610d8-ad2a-0410-a6ab-fc0612d85776
split time_critical and super_seeding tests out of test_swarm

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10385 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged changes from RC_1_0

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10389 a83610d8-ad2a-0410-a6ab-fc0612d85776