Regenerate localization data from MathJax-i18n: add Polish localization, fix some errors and update qqq. Second round of issue #530.
Merge pull request #542 from fred-wang/i18n-bis

Regenerate localization data from MathJax-i18n: add Polish localization,... (Issue #530)
Skip annotation and annotation-xml elements so that they won't be processed by the TeX/AsciiMath input (even when the MathML input is disabled). #484
Fix placement issues with largeop and munderover. #489
Merge pull request #551 from fred-wang/issue484-ter

Resolves issues #484 and #506
Merge pull request #552 from fred-wang/issue489-svg

Issue #489 svg.

Thanks!  I hadn't gotten to it yet.