Change for running as a non-root user (#276)

* Enable running container as mqm

* Fix merge problem

* Don't force root usage

* RHEL image runs as mqm instead of root

* Build on host with SELinux enabled

* Enable building on node in an OpenShift cluster

* Enable running container as mqm

* Fix merge problem

* Don't force root usage

* Merge lastest changes from master

* RHEL image runs as mqm instead of root

* Fix merge issues

* Test changes for non-root

* Make timeout properly, and more non-root test fixes

* Run tests with fewer/no capabilities

* Correct usage docs for non-root

* Add security docs

* Add temporary debug output

* Remove debug code

* Fixes for termination-log

* Allow init container to run as root

* Fixes for CentOS build

* Fixes for RHEL build

* Logging improvements

* Fix Dockerfile RHEL/CentOS build

* Fix bash error

* Make all builds specify UID

* Use redist client for Go SDK

* Inspect image before running tests

* New test for init container

* Log container runtime in runmqdevserver

* Add extra capabilities if using a RHEL image

cmd/runmqserver/qmgr.go

@@ -119,7 +119,7 @@ func configureQueueManager() error {
 			// Run the command and wait for completion
 			out, err := cmd.CombinedOutput()
 			if err != nil {
-				log.Errorf("Error running MQSC file %v: %v", file.Name(), err)
+				log.Errorf("Error running MQSC file %v (%v):\n\t%v", file.Name(), err, strings.Replace(string(out), "\n", "\n\t", -1))
 				return err
 			}
 			// Print the runmqsc output, adding tab characters to make it more readable as part of the log