Converted the encoding of every PHP script to UTF-8 without BOM; removed certain document list details in HTML output; reset link area to file information per document (set on whole document information before); added method for sorting document array based on three criteria
Added createExplicitId(), untested
Merge changes of output into master

Merge branch 'output' of https://github.com/ELK-Phil-UZH/roselit
Add functionality to accept user_requests, fix constructor for User_model
Add .htaccess for OLAT Access using HTTP Authentication
Add .htaccess
Merge branch 'models_2' into master

Conflicts resolved:
	application/models/document_model.php