Improving the documentation

[jkiviluo]

Observations based on a test user

• [x] explain the point of init.sql. What 'init' means. The different ways how to go through the tutorial
• [x] explain the basic functioning of Toolbox (choosing alternatives, how to edit data, how to filter data)
• [x] say where data is for each thing visible in figure and text
• [x] confusing instructions -- too much assumed to be known. Is the solution to make a lot longer tutorial or a lot simpler tutorial?
• [x] explain where the results are
• [x] also what results you will get
• [x] To database editor in brief: what classes, objects, relationships and paragraphs. scenarios and alternatives.
• [ ] Explain curtailment penalty (how it should be calculated after the model run)
• [ ] Prioritization of what you need when you first start working with Spine Toolbox / FlexTool project
• [x] Move db editor, browser editor etc. to own pages (browser editor to web-interface docs)
• [ ] Explain how to make model faster and how integers affect model (startups and ramps too)