CloudI version 1.2.3 (beta) released
Tweak README.
Add websockets support to cloudi_service_http_cowboy. Update cowboy to 0.8.5 and ranch to 0.8.3.
Add separate cloudi_service_api module to cloudi_core application to provide a central interface module for the CloudI Service API. #18
Update all editor modelines.
Prevent service request response usage within an internal service's init function for various technical reasons.  Fix retry service name lookup and timeout timers within an internal service, during the init function execution. #19
Add cloudi_service_api module documentation. #18
Add the other usage examples for the CloudI Service API.
Update cpg.
Allow service requests to websocket connections if their connect URL matches the HTTP service prefix configuration value.  Make the websockets testing test service requests to websocket connections.
Small fixes for dialyzer and type specs.
Merge remote-tracking branch 'upstream/develop' into develop
patch erlasticsearch to not forcibly expect ES