Dynamic sizes

Set sizes and product sideline to show and size accordingly if product
variation sizes are set
Added data app role to filter UL in categorytemplate
201314, Price Display on product page

upgraded to 201314. App runs but not all bugs are worked out yet. Known:
quantity field on product page doesn't work.
Also added renderformat in extension to display baseprice centered if no
msrp price exists.
Versioning for 201314 upgrade