Emily Eisenberg ce99abd1f2 Update Dockerfile for ttfautohint, update metrics ...

Summary:
Update the MathJaxFonts `Dockerfile` to enable the use of
`ttfautohint` which hints our fonts better. Also, fix the location that
batik is downloaded from, update some formatting in the `Dockerfile`,
and update the fonts and metrics.

Test Plan:
 - Compare a rendered `= - A z 4 \Longrightarrow \Sigma \Biggl(` in
   Chrome on Windows at font sizes 10px to 20px before and after this
   change.
 - See that characters look about the same, or better.
 - See that the screenshot tests didn't change in firefox (maybe firefox
   runs the same autohinting algorithm that we do?), and don't visually
   change in chrome

Reviewers: kevinb, alpert

Reviewed By: kevinb, alpert

Differential Revision: https://phabricator.khanacademy.org/D18977

2015-07-16 12:01:26 -07:00

18 KiB

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