2018.7 "Edge-OSGI Pre-Release"

This release marks the first platform alpha release for OpenEMS Edge OSGi. It contains a completely rewritten framework based on modular OSGi bundles. It is kept compatible to OpenEMS Backend and UI as far as possible. Any new developments should be based on this platform.

Bugfixes to previous master (release 2018.6) are kept in old_master branch.