Upgraded youtube-dl to v2014.09.19
Merge pull request #4176 from k0ral/youtube-dl

Upgraded youtube-dl to v2014.09.19
haskell-pandoc: re-generate expression with new flags
haskell-Boolean: update to version 0.2.2
haskell-HTF: update to version 0.12.1.0
haskell-MonadPrompt: update to version 1.0.0.5
haskell-ad: update to version 4.2.1
haskell-aeson-qq: update to version 0.7.4
haskell-aws: update to version 0.10.5
haskell-blaze-builder: update to version 0.3.3.4
haskell-boomerang: update to version 1.4.4
haskell-cabal-cargs: update to version 0.7.3
haskell-clock: update to version 0.4.1.1
haskell-cmdargs: update to version 0.10.10
haskell-dimensional-tf: update to version 0.3.0.1
haskell-esqueleto: update to version 2.0.1
haskell-fay: update to version 0.20.2.0
haskell-foldl: update to version 1.0.7
haskell-gloss-accelerate: update to version 1.8.15.0
haskell-gloss-raster-accelerate: update to version 1.8.15.0