Dirty Dif on Libevent

[JeremyRubin]

This diff should be clean -- the "Only In" blah files (automake etc) outputs contain a lot of code one should review before building...

Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: .clang-format
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: .github
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: .gitignore
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: .mailmap
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: .uncrustify
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: CONTRIBUTING.md
diff -r libevent-src/Makefile.am /Users/jr/Downloads/libevent-release-2.1.12-stable/Makefile.am
174a175,176
> include sample/include.am
> include test/include.am
Only in libevent-src: Makefile.in
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: Vagrantfile
Only in libevent-src: aclocal.m4
Only in libevent-src: autom4te.cache
Only in libevent-src: build-aux
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: checkpatch.sh
Only in libevent-src: config.h.in
Only in libevent-src: config.h.in~
Only in libevent-src: configure
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: evdns.3
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: event.3
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: extra
Only in libevent-src/m4: libtool.m4
Only in libevent-src/m4: ltoptions.m4
Only in libevent-src/m4: ltsugar.m4
Only in libevent-src/m4: ltversion.m4
Only in libevent-src/m4: lt~obsolete.m4
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: make_epoll_table.py
Only in libevent-src/test: regress.gen.c
Only in libevent-src/test: regress.gen.h
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable/test: test-ratelim.sh
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable/test: tinytest_demo.c
Only in /Users/jr/Downloads/libevent-release-2.1.12-stable: test-export