Release 0.17.5

Release Notes

• Refactor hostname logic (#2718)
• Add Sink Trait Support (#2726)
• Log configs in packing algorithms (#2727)
• Joshfischer/eco docs redeux (#2703)
• fix null in printout during submission (#2722)
• use actual path (#2725)
• Simplify website setup (#2721)
• deprecate RRPacking in default config (#2717)
• adding some confs for heron nomad and standalone (#2716)
• fix a RRrepacking bug (#2720)
• mitigate prompt (#2719)
• [Streamlet Scala API] Add FunSuite Support (#2695)
• Move stmgr quitting logic from stmgr client to tmaster client (#2711)
• fixes the helm chart, config and api server memory restriction for k8s (#2714)
• Expose the component config through the tracker. (#2709)
• Add Streamlet Trait Support (#2696)
• HttpUploader is being refactored. (#2713)
• [metricscache] align metricscache toggle switch (#2707)
• [metricscache] reduce exception stack trace to first 2 lines (#2706)
• [metricscache] make default log level to INFO (#2705)
• Fix sandbox script (#2710)
• modify language in sandbox.sh script (#2708)
• added sandbox script to deploy heron in a single docker (#2704)
• Fix src and java doc generation for heron-api (#2702)
• Necessary software for single docker image (#2701)
• make heron core distribution - symbolic linkable (#2684)
• depend on java protobuf target from protobuf sources (#2640)
• Clean up simulator/utils (#2674)
• [Streamlet Scala API] Add initial Build Files (#2688)
• Add tolerations to tools and apiserver deploymens for kubernetes. (#2687)
• expose heron tracker as a service (#2686)
• no need to check the existence of env_exec.sh in scripts/setup-intellij.sh (#2683)