Running a JDK/JVM in a container such as docker can make it awkward to persist error output (e.g. hs_err files) and log files.

We should provide a command-line option to assist JVMs in containers, by giving a base directory to use for these files (generally on a location/volume outside the container).

If possible the Attach API and PerfData should use the specified location to avoid repeatedly searching the /proc filesystem.