Fix literal with empty label
Add "property" option for querylist helper

To automatically construct a query for retrieving resources linked with specified property.
[fix] use version.label from config to create generator-String
Create example site for vocabulary publication

Proved an overview of defined classes and properties and specialized
templates for each resource and class.
Show properties and inverse properties of classes.
Show (property) restrictions for classes.
Show domain and range of properties.
Add "wrap" view helper
Add templateOptions option for wrap view helper
Ability to call querylist instead of using a content template in wrap view helper
[fix] use datetime attribute on time element to overwrite content
Remove $this->_resourceUri from renderx helper

Removing the _resourceUri property from renderx helper and set the
templateOption correctly.
Renderx had side effects when calling it with a specified resourceUri in
options.
Add schema:logo & schema:image to known image properties
Do not override plain option if already set
Merge

Conflicts:
	SiteController.php