Form: DefaultFormRenderer do not puts &nbsp; in empty <td></td> or <th></th>

It was needed to display empty cells in <table border=1> in old quirks browser modes
Forms: fixed cutting strings according to Form::LENGTH
Html: setText(Html $el) do not double-escapes $el
Forms: Html elements are not "translated"
Forms: DefaultFormRenderer refactoring
Forms: DefaultFormRenderer renders checkboxes as <label><input type=checkbox>Label</label> instead of <input type=checkbox><label>Label</label> (BC break!)

This improves compatibility with Twitter Bootstrap etc.
Forms: Radio inputs are rendered as <label><input type=radio>Label</label> instead of <input type=radio><label>Label</label> (BC break!)

Radiolist is rendered the same way as checkboxes and the new generated HTML code is better compatible with Twitter Bootstrap etc.
ComponentModel\Container::getComponent: empty $name does not throw exception whether $need is FALSE
Forms: fixed #06199805, it ignores empty query parameters