IZ210: add an explanation of [] and * to the exec host selection page

[pollinger]

[Imported from gridengine issuezilla ​http://gridengine.sunsource.net/issues/show_bug.cgi?id=210]

        Issue #:      210             Platform:     All           Reporter: pollinger (pollinger)
       Component:     testsuite          OS:        All
     Subcomponent:    framework       Version:      current          CC:    None defined
        Status:       NEW             Priority:     P3
      Resolution:                    Issue type:    ENHANCEMENT
                                  Target milestone: milestone 1
      Assigned to:    issues@testsuite
      QA Contact:     joga
          URL:
       * Summary:     add an explanation of [] and * to the exec host selection page
   Status whiteboard:
      Attachments:

     Issue 210 blocks:
   Votes for issue 210:     Vote for this issue


   Opened: Tue Jul 15 07:39:00 -0700 2008 
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It's not clear what [] and * mean on the exec host selection page. Please add an
explanation.

   ------- Additional comments from joga Wed Jul 16 04:57:41 -0700 2008 -------
Probably it would be good to output a (space separated) list of selected hosts
in addition to tagging them with the "*".
Somewhere at the top of the window.