Validation Library and more

Changes for 0.001023

• Adding documentation around the formbuilder theming function.
• Changes the way nested validation errors are structured to make it easier to link errors to form elements or JSON paths.
• Radio and checkbox collections have better default labeling and clarified translation lookup
• Tons of HTML form generation bug fixes including improvements to how we handle complex form elements like the checkbox collection.
• FormBuilder and many other parts of the HTML generation framework work properly in the absense of a model. also its easier to include bits of data from alternative models in a form.
• lots of improvements to the example application include a start on showing how we can integrate javascript on the front end.