Move conversions file out of libpydynd and into each other target so that the conversions will be available everywhere.
Move conversions file out of libpydynd and into each other target so that
the conversions will be available everywhere.

mwiebe/dynd-python,mwiebe/dynd-python,insertinterestingnamehere/dynd-python,ContinuumIO/dynd-python,izaid/dynd-python,izaid/dynd-python,insertinterestingnamehere/dynd-python,insertinterestingnamehere/dynd-python,mwiebe/dynd-python,insertinterestingnamehere/dynd-python,ContinuumIO/dynd-python,izaid/dynd-python,ContinuumIO/dynd-python,mwiebe/dynd-python,izaid/dynd-python,ContinuumIO/dynd-python