Remove com.sun.enterprise.util.ProcessExecutor

[mz1999]

Replaced ProcessExecutor with ProcessManager and removed ProcessExecutor as suggested in the issue.

ProcessExecutor redirects standard output and standard error to files, while ProcessManager stores them in memory, so ProcessManager.getStdout() and ProcessExecutor.getLastExecutionOutput are equivalent, and ProcessManager.getStderr() and ProcessExecutor.getLastExecutionError are equivalent.

ProcessExecutor has a default timeout, so when replacing with ProcessManager, you need to explicitly set the timeout.

[arjantijms]

Looks great! wow!