Refactoring: Extracted a Library model class to hold information sagas, saga selection and saga loading. Added the Signals library for UI components to follow model state.
Refactoring. Extracted Geography holding information about geographic points.
Moved feature selection status into the Geography class.
Cleaning up som ecode and logs
Making cleaner and prettier popups:
* Added a templates section to index.html containing a tmeplate for popup content.
* Added a type property to features which results in a styl on the popup
* Added a type icon to popups to indicate type, with only "farm" and "area" defined yet.