Hide header/footer by default when printing from Firefox. See Bug 743252
Create chrome.properties

translated file from English
Merge pull request #2734 from jviereck/print-print-margin

Hide header/footer by default when printing from Firefox. See Bug 743252
Merge pull request #2735 from piotrex/patch-1

Translated chrome.properties to Polish
[PROTOTYPE] Implement page wise scrolling at all zoom levels - version 4