Remove a redundant check for event.h; add some comments, and reformat. svn:r9790
More autoconf fixes and updates. Maybe the bsd buildbots will be happy again. svn:r9747
make TOR_SEARCH_LIBRARY work with openssl svn:r9727
Macro-ize our "search for a library and find out how to link against it" code. This will help make our handling of libevent and openssl more similar, and with any luck better. Not pushing to main branch until after 0.1.2. svn:r9726