Remove render_orphaned_uris and reorganize superResource handling

[white-gecko]

The complete list is in #94

For the special case of fragment identifiers:

<http://ex.org/c>         -> /c.html
<http://ex.org/c#alpha>   -> /c.html
<http://ex.org/c#beta>    -> /c.html

In /c.html the variables are set as follows:

page.rdf = "http://ex.org/c"
page.rdf.covered = true
page.sub_rdf = [http://ex.org/c#alpha, http://ex.org/c#beta]

It there is no "super resource" the page is still generated if there are fragment identifiers on it:

<http://ex.org/d#gama>    -> /d.html
<http://ex.org/d#delta>   -> /d.html

In /d.html the variables are set as follows:

page.rdf = "http://ex.org/d"
page.rdf.covered = false
page.sub_rdf = [http://ex.org/d#gama, http://ex.org/d#delta]

Since there is no class in the model for <http://ex.org/d> the default_template will be used except for, that an instance_template_mappings entry exists for <http://ex.org/d>. If no default_template and no mapping is provided, the page will not be rendered.

[white-gecko]

site.url = http://example.org
site.baseurl = /simpsons

http://example.org/simpsons/family
http://example.org/simpsons/homer                   page_url: /homer                    render_path: /homer.html
http://example.org/simpsons/homer#beerconsumption   page_url: /homer#beerconsumption    render_path: /homer.html

{{ site.url | append: site.baseurl | append: resource.page_url }}

http://example.org/simpsons/homer
http://example.org/simpsons/homer#beerconsumption

------

site.url = http://example.org
site.baseurl = /simpsons/

http://example.org/simpsons/family
http://example.org/simpsons/homer                   page_url: homer                    render_path: homer.html
http://example.org/simpsons/homer#beerconsumption   page_url: homer#beerconsumption    render_path: homer.html

{{ site.url | append: site.baseurl | append: resource.page_url }}

http://example.org/simpsons/homer
http://example.org/simpsons/homer#beerconsumption


------

site.url = http://example.org
site.baseurl = /

http://example.org/simpsons/family
http://example.org/simpsons/homer                   page_url: simpsons/homer                    render_path: simpsons/homer.html
http://example.org/simpsons/homer#beerconsumption   page_url: simpsons/homer#beerconsumption    render_path: simpsons/homer.html

{{ site.url | append: site.baseurl | append: resource.page_url }}

http://example.org/simpsons/homer
http://example.org/simpsons/homer#beerconsumption


------

site.url = http://example.org
site.baseurl = 

http://example.org/simpsons/family
http://example.org/simpsons/homer                   page_url: /simpsons/homer                    render_path: /simpsons/homer.html
http://example.org/simpsons/homer#beerconsumption   page_url: /simpsons/homer#beerconsumption    render_path: /simpsons/homer.html

{{ site.url | append: site.baseurl | append: resource.page_url }}

http://example.org/simpsons/homer
http://example.org/simpsons/homer#beerconsumption