Merge pull request #88 from mapkyca/favicon

Adds an idno default favicon and apple iOS bookmark and app.
Redrawn default shell
Better-parsing RSS feed template
Introducing friendly URLs.

Refs #6
Minor tweak to slug generation
Better failure checking on slug URLs.
Automatically lowercase slugs
Slug event hook
Friendly content-specific page URLs
Removing ambiguous link icon
Merge branch 'master' into dev