[lmi] Updating proprietary product-file code

[Greg Chicares]

The svn repository is self-consistent, but if you have proprietary
code that writes product files, you need to update it. Here are
the commands I used for the last two svn updates:

  20100401T0110Z
  Rename 'ihs_proddata.?pp' to 'product_data.?pp'.

/lmi/src/products/src[0]$sed -i my_prod.cpp -e's/ihs_proddata/product_data/'

  20100401T0300Z
  Rename class 'TProductData' to 'product_data'.

/lmi/src/products/src[0]$sed -i my_prod.cpp -e's/TProductData/product_data/'