fail if we cannot import _twistd_unix
add changelog for the next release
set the version to 2.0.0-beta.1, yay
distribute CHANGELOG.md in the tarball
distribute all the examples
install bleygraph manpage
ship requirements.txt
allow setting dbpath (mostly for Debians dbconfig-common)
load whitelist configs with relative paths relative to the loaded config

closes #20
allow passing -c multiple times, merging the configs together
add changelog entry about semantic versioning