History: Forms Best Practices

For the forms in Tiki to have good user usability and consistency, this page describes best practices for creating forms. Probably the page should have something like 

1) general principles/guidelines
- overall goal/philosophy
- form classes
- label position
- grid column guidelines
- responsive design considerations
- when to allow exceptions

2) examples (showing both the code and the completed form)
- similar to presentation at http://getbootstrap.com/css/#forms 

3) notes, details, additional information
- ?