[GHC] #1226: Add flags --full-flag-help and --print-docdir

[GHC]

#1226: Add flags --full-flag-help and --print-docdir
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    Reporter:  igloo            |        Owner:  igloo  
        Type:  feature request  |       Status:  new    
    Priority:  high             |    Milestone:  6.8    
   Component:  Driver           |      Version:  6.6    
    Severity:  normal           |   Resolution:         
    Keywords:                   |   Difficulty:  Unknown
          Os:  Unknown          |     Testcase:         
Architecture:  Unknown          |  
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Changes (by igloo):

  * owner:  => igloo

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1226>
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