Start a changelog for Libevent 2.0.22-stable
Mark the finalize stuff as experiemental in case it needs to change
Start editing the changelog for 2.1.3-alpha
Add acknowledgements to readme
Merge remote-tracking branch 'origin/patches-2.0'
Incremement version to 2.1.3-alpha
Fix some out-of-tree build bugs
Make regress_finalize work with malloc replacement disabled
Fix a bug in fixing a bug in out-of-tree test-dumpevents
Fix a windows compilation regression

This is github issue #57; reported by "efekty". I assume the compiler
is MSVC.
Make http/connection_retry off-by-default
Set a release date
Add regress_finalize to makefile.nmake
Bump version to 2.1.3-alpha-dev