Make PDF viewer working again in public view

Do not require a login

Add support for public URL

Use sharing token

Update version
Hide footer and other download links in pub. view
Fix indentation
These are classes and not IDs
Make work in shared file list
Decode instead of encode because we need to pass HTML values
Use add class / Add support for IE / Use proper directory reference
Merge pull request #7 from owncloud/make-work-in-public-vie

Make PDF viewer working again in public view