Accept sha256 as sha256sum
os.cpus() workaround for openbsd

See https://github.com/joyent/node/issues/8177
Add openbsd install instructions
Update comment about possible plattforms
Use egcc on OpenBSD
Add gcc to install instructions
MAP_ANON for openbsd
Fix #377
well that was phenominally stupid
Merge branch 'crashey' of https://github.com/cjdelisle/cjdns into tinystore
Cleanup some logging stuff.