Add dependencies for BroadlinkRM2 plugin

Author: tobbenb

README.md

@@ -106,6 +106,7 @@ The user manual is available at [www.domoticz.com][appurl]
 
 ## Versions
 
++ **03.04.18:** Add dependencies for BroadlinkRM2 plugin.
 + **20.01.18:** Move telldus core to repo to prevent build fail when source site goes down.
 + **18.01.18:** Remove logging to syslog in the run command to prevent double logging.
 + **04.01.18:** Deprecate cpu_core routine lack of scaling.