member re-order and struct packing

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9374 a83610d8-ad2a-0410-a6ab-fc0612d85776
comments

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9378 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged fix from RC_0_16

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9379 a83610d8-ad2a-0410-a6ab-fc0612d85776
make comparison function strict weak ordering

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9380 a83610d8-ad2a-0410-a6ab-fc0612d85776
remove debug logging to print field offsets and struct sizes

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9381 a83610d8-ad2a-0410-a6ab-fc0612d85776