Release 4.17.2 💎 (#2296)

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Update CHANGELOG and history

Close #2281

Flexbox sticky footer (#2289)

* Remove sticky footer JavaScript

* Use flexbox to force footer to the bottom of every page

* Fix flexbox in Internet Explorer

Release 4.17.1 💎 (#2288)

Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

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Update Chinese (Simplified) translation (#2286)

Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

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Fix and test case (#2285)

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Update the info about what js scrips you are using (#2276)

Added Smooth Scroll and Gumshoe info

Release 4.17.0 (#2275)

* Release 4.17.0 💎

* Update CHANGELOG and history

Update CHANGELOG and history

remove extraneous space from IE conditional statement (#2273)

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Show a permalink anchor when hovering over headings in main content (#2251)

* Implement heading permalinks, close #2246

Thanks to jekyll/jekyll for CSS.
Link anchor is visible when the mouse hovers over the title line.

* Build the updated _main.js

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Allow per-page override of words_per_minute (#2250)

Different languages usually have different read speeds.
This change is useful for sites with multi-lingual content