Merge pull request #14 from iotaledger/develop

packages/binary/drng/payload/header/header_test.go

packages/binary/drng/payload/payload.go

packages/binary/drng/payload/payload_test.go

packages/binary/drng/state/options.go

packages/binary/drng/state/state.go

packages/binary/drng/state/state_test.go

...inary/drng/subtypes/collectiveBeacon/collective_beacon.go

.../drng/subtypes/collectiveBeacon/collective_beacon_test.go

...es/binary/drng/subtypes/collectiveBeacon/events/events.go

...nary/drng/subtypes/collectiveBeacon/events/events_test.go

...s/binary/drng/subtypes/collectiveBeacon/payload/common.go

.../binary/drng/subtypes/collectiveBeacon/payload/payload.go

...ry/drng/subtypes/collectiveBeacon/payload/payload_test.go

packages/binary/messagelayer/message/message.go

...ages/binary/messagelayer/messagefactory/messagefactory.go

...binary/messagelayer/messagefactory/messagefactory_test.go

packages/binary/messagelayer/payload/id.go

packages/binary/messagelayer/tangle/approver.go

packages/binary/messagelayer/tangle/missingmessage.go

packages/binary/messagelayer/tangle/storageprefixes.go