controllers: Removed AdminController

We are not using it currently and it is broken. If we decide to use it we
can revert this patch.
development.ini: Removed obsolete sqlalchemy comments

We are set on PostGIS.
development.ini: Removed mako options

We use Jinja2 templates
development.ini: Reordered logger categories
test.ini: Removed obsolete skylines.static configuration
assets: Moved #fix-data styles to fix-table.css
assets: Moved custom map styles to map.css
assets: Moved map.css to css-openlayers bundle
style.css: Adjusted comment locations
assets: Added css-datatables bundle