have device module wait until database ready
have device module wait until database ready

mwittig/steward,estbeetoo/steward,mwittig/steward,TheThingSystem/steward,estbeetoo/steward,TheThingSystem/steward,estbeetoo/steward,estbeetoo/steward,mwittig/steward,TheThingSystem/steward,mwittig/steward,TheThingSystem/steward,TheThingSystem/steward,estbeetoo/steward,TheThingSystem/steward,TheThingSystem/steward,TheThingSystem/steward,estbeetoo/steward,mwittig/steward,mwittig/steward,mwittig/steward,mwittig/steward,estbeetoo/steward,estbeetoo/steward,mwittig/steward,TheThingSystem/steward,estbeetoo/steward