Localize country labels
Update LibRDF submodule
Implement paging of search results
Move application profile settings to admin section
Add separate icon for person markers
Add type filter to search
Add link to data source to entity views

Fixes #92
Fix Umlauts in entity view
Also use gn:alternateName when labeling countries

Fixes #91
Move linked data entities to reparate URL path
Fix marker positions
Resize map icons
Fix unsetting filters for paged search results
Add empty about page as block container
Fix displaying untyped resources on map
Add copyright note and licence