Remove appcache from manifest, as it is not supported by packaged apps
Add a simple CSS to use "rem" sizes. Fixes #8
Prefix all the rules in the mediawiki CSS, so that they only apply inside the "articleContent" div
Add back/forward buttons. Fixes #1
Revert font size with rem in CSS : it fixes the text size on the Peak device, but hides some parts on smaller screens
Implement reading the metadata.txt file, to find its language and date
Use this language to redirect the links to images (File:xxx.jpg for example) to the online version. Fixes #23
Minor update of the text in the "about" section