set this up to work with rebar
vsn seems to be necessary for rebar
correct name of so
actually get the name right
fix up the compile flags
tidy up the flags a bit
add a modified lager backend here for development ease

from https://github.com/travelping/lager_journald_backend
cleanup the flags some more
botched the module name
move this elsewhere
Merge pull request #1 from layerhq/rebar