3rdparty: copy redistributables
3rdparty: copy redistributables

Update makesn.cmd to also copy needed files from Add-in redistributables
to simplify setup process.

Signed-off-by: Jamie Couture <b4dde37aa2aac745c0e6c43447507eaeace3e59f@quandl.com>

quandl/quandl-excel-windows