medialib - start of bug fix

Some images, like coupon image, don't generate the 'this is selected'.
Started to address before having to move on to tlc
tlc - enhancements

formats didn't support a passed var, it was forced to focusBind.
Added new format: length.
Added new type: export.
Merge branch '201402' of https://github.com/zoovy/AnyCommerce-Development into 201402