Refactored presentations code to support arbitrary drawing canvases and don't use hardcoded "pdf*" events.
Add WebODF 0.5.1
Started adding support for ODF documents. Pages support is still TODO
Added support to force extension auto install.
Show one page for presentations, otherwise allow scrolling.
Updated description of file formats.
Center-align ODF presentations.
Install (already compressed) webodf.js.
Don't show page selector if document has only one page.
Update to bootstrap 3.2.0
Update bootstrap source path in readme.
Fixed audio only styles.
Don't select presentation automatically on FileInfo request for existing presentation.
Only prevent automatic reload when in a call.
Merge branch 'update-bootstrap' of https://github.com/theurere/spreed-webrtc-pub into theurere-update-bootstrap

Conflicts:
	static/css/main.min.css
Merge branch 'theurere-update-bootstrap'
Merge pull request #78 from fancycode/webodf_presentations

Added support for ODF documents.
Rebuilt styles.
Rebuilt translations.
Updated texts for presentation module.