some code cleanup and minor class fixed for display on mobile
more code cleanup and file header updates
more fixes, more to come
successfully exporting product category parents
more fixes for import export
updated variants/simple options table definitions
added class call to category tree
all importing successfully moving on
more complete code for new entries.
added code for products_simple_options_table when adding new simple options values to a variants group not assigned to the product.
cleaned up import export js file
updated to replace txt import file on new upload instead of renaming.
updated to handle date into and from Excel "2/27/2014"
added date_added to categories save update function, more work on date issues with importer exporter
Merge pull request #400 from loadedcommerce/D2639

D2639