Fixing bug that shows lodspk.home as baseUri, when it should show local ns

Added sparql filter module that allow users to filter by a random query rather than a type to select a model/view for a URI

Page will be processed by Haanga

TODO: Apply Haanga to it

Fix bug that when not specified prefixes and converting query from SELECT to DESCRIBE, lodspk returns a 500

Conflicts:
	common.inc.php

Conflicts:
	classes/Utils.php
	common.inc.php

Solves #106

For example

```
{% for i in models.main%}
Language tag of "{{i.variable.value}}" is "{{i.variable.lang}}"
Datatype of "{{i.variable.value" is "{{i.variable.type}}"
{%endfor%}
```

This solves #105

Adding user agent LODSPeaKr