Check environment variables only if config file not available; give a warnong, not an exception, if cannot copy default configuration file into place
Check environment variables only if config file not available; give a warnong, not an exception, if cannot copy default configuration file into place

sorgerlab/indra,pvtodorov/indra,johnbachman/indra,bgyori/indra,johnbachman/belpy,johnbachman/belpy,bgyori/indra,bgyori/indra,johnbachman/indra,johnbachman/indra,pvtodorov/indra,johnbachman/belpy,pvtodorov/indra,sorgerlab/belpy,pvtodorov/indra,sorgerlab/belpy,sorgerlab/belpy,sorgerlab/indra,sorgerlab/indra