removed left-over unused variables

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10062 a83610d8-ad2a-0410-a6ab-fc0612d85776
apparently PYTHON_EXTRA_LDFLAGS is for internal python use only. fix m4 script

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10063 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix documentation

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10064 a83610d8-ad2a-0410-a6ab-fc0612d85776
polishing, update copyright

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10065 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix openssl usage in unit tests makefile

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10066 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix makefile issue

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10067 a83610d8-ad2a-0410-a6ab-fc0612d85776