GHC 2016-12-31

2 comments.
, https://git.io/vMtg8 in Homebrew/homebrew-core 
youtube-dl 2016.12.31
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Created with `brew bump-formula-pr`.
, https://git.io/vMtEs in Homebrew/homebrew-core 
imagemagick 6.9.7-1
===================

Created with `brew bump-formula-pr`.

---

Please remember to
```
brew mirror imagemagick
```
when merging.