PP-1105: qsub: standard input notice

Overview:

When submitting a job with qsub and reading the input from stdin a notice will be shown. The purpose of the message is just to inform the user that qsub is waiting for the input.

Interface - new message to stdout:

Visibility: Public
Change Control: stable
Detail: This new notice will be print to stdout once the qsub waits for script input from stdin. The message differs between Linux and Windows.
Linux example:
- $ qsub
  Job script will be read from standard input. Submit with CTRL+D.
Windows example:
- > qsub
  Job script will be read from standard input. Submit with CTRL+Z.