Introducing placeholder attribute for modern browser and a special css class for IE6/7/8/9 and FF3.6
feat #288 placeholder feature for HTML Text Input
Integrated in 9d360be
fix #288 placeholder prevents binding
The previous commit prevents binding to take place if placeholder value is not specified
fix #288 placeholder and bindings
When the placeholder was not set, bindings were broken.
Also, when setting the bound value to null, the placeholder was not being displayed.
fix #288 placeholder not removed correctly after data model changes