Add HTML5 Shiv 3.7.2

Signed-off-by: Jean-Marie Lemetayer <jeanmarie.lemetayer@gmail.com>
Add Respond 1.4.2

Signed-off-by: Jean-Marie Lemetayer <jeanmarie.lemetayer@gmail.com>
Add a default html file

Signed-off-by: Jean-Marie Lemetayer <jeanmarie.lemetayer@gmail.com>