Combine stylesheets.
Combine scripts.
Update changelog
Update version number
Use new path handling
Use new asset handling
Code clean-up
Fix parent object search
Introduce accept header parser
Fix check for language name
Introduce Mlp_Plugin_Properties
Fix cache identifier
Fix check for language name
Catch short language names when searching in database
Code formatting
Add docs for 'include_base' argument
Make current site available in nav menu