Request parameters now in an object

Request parameters aren't tied directly to the scope
This should make further refactoring easier.
Refactored settings into a single object

Settings are decoupled from the scope
This should help future refactoring
Moved each section into its own directive

Merged in directives that were created
but previously abandoned due to scoping issues
Added an about section

Explains what Geo Query Builder is and what WMS/WFS is
Added a larger screen layout