added auth header options for edge connector http mode

bumped version

Merge pull request #11 from iLert/feature/edge-connector

Feature: edge connector daemon mode

properly passing ilagent in user agent header

added e2e integration test for kafka, to keep in line with mqtt int

removed unnecessary merging of default payload in forward mode

cleaned up, test key

Merge pull request #8 from iLert/feature/consumer-improv

Fix: cross compile and readme

changelog

added option to send event message payloads directly to integration e…

…ndpoint targets