[GHC] #9005: Ship default bash completion file with ghc

[GHC]

#9005: Ship default bash completion file with ghc
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              Reporter:  td123       |            Owner:  kolmodin
                  Type:  feature     |           Status:  closed
  request                            |        Milestone:
              Priority:  lowest      |          Version:  7.8.2
             Component:  None        |         Keywords:
            Resolution:  fixed       |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D536   |
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Comment (by jstolarek):

 Shouldn't we keep this one open until User's Guide gets updated?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9005#comment:6>
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