Cabal revisions of shake-ext-2.6.0.0

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:                shake-ext version:             2.6.0.0+x-revision: 1 synopsis:            Helper functions for linting with shake  description:         This package provides several linters out of the box, for use with [shake](http://shakebuild.com/). homepage:            https://hub.darcs.net/vmchale/shake-ext                      , mtl                      , directory                      , text-                     , Cabal >= 2.0+                     , Cabal >= 2.0 && < 2.2                      , template-haskell   default-language:    Haskell2010   if flag(development)