This method will compare the files/directories at the paths specified and
return true if they are equivalent. If a PrintWriter is provided it will
continue after the first difference and print the nature of the
differences to the PrintWriter.
p_mgr - ConnectionMgr to use opening files.
p_left - Left path.
p_right - Right path.
p_recursive - true if it should recursively compare directory contents.
p_out - Optional PrintWriter for difference details, if they are the
same then nothing out output.
true if the files at the two paths are equivalent.