merged bugfix in http scrape response parsing from RC_0_16

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/branches/RC_1_0@10339 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged unit test fix from RC_0_16

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/branches/RC_1_0@10342 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged fix from RC_0_16

git-svn-id: svn://svn.code.sf.net/p/libtorrent/code/branches/RC_1_0@10345 a83610d8-ad2a-0410-a6ab-fc0612d85776