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

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

Debug option for static pages as in #90

New feature: Adding extension (i.e., .html, .rdf, .json) to a service name will force it to serve in that particular content

Fixing adding triples when external URI was off

although they are available in the model query.

ATTENTION: You need to refresh your cache (rm -f cache/*) and the run yourservice again

Fixed  bug in googlemap filter

Adding disable option in utils/lodspk.sh that disables uriModule as well as typeModule using something different

Fixing bug with Contenttype returned

Adding named graph on default service