Configuration handling if database is not defined
Configuration handling if rabbitmq is not defined
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
add config_override, update test helpers
Merge pull request #1076 from Tendrid/develop

add config_override, update test helpers
Merge pull request #1077 from demaagdk/develop

Better error reporting when some configurations not set in simpleseer.cfg
bug fix for default config-override val
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
Merge pull request #1069 from ahomatthew/develop

async subscribe + modbus
updated async thread stuff for realtime
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop