3.33.4
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* Update highlight.pack.js to 9.15.8, added awk and shell (Shaun McCance)
* Removed intltool and other build updates (Jeremy Bicha, Javier Jardón)
* Updated translations:
es (Daniel Mustieles)
hu (Balázs Úr)
id (Kukuh Syafaat)
pl (Piotr Drąg)
pt_BR (Rafael Fontenelle)
zh_CN (Mingcong Bai)