First part of product migration analysis.
XML ID migration complete
fix missing dependency in product in v8
updated product migration analysis
first pass at product migration script
fix bad refactoring
[ADD] decimal_precision migration: nothing to do
compute active attribute of template from attribute of variants
copy product_product.image to product_product.image_variant
updated work analysis
migration of product.packaging and product.ul
migration of product_template.cost_method, moved in stock_account
reinstall data from product moved to mrp
add migration for product.packaging to template
fix error in previous refactoring
Add function add_xmlid to OpenUpgrade API
Merge branch 'product-v8-migration' of https://github.com/guewen/OpenUpgrade into product-v8-migration
Migrate product_template.standard_price.

Now a fields.property so the prices are moved to properties.
Also, entries for the prices will be created in product_price_history.
[ADD] check value for ir_ui_view.type field.
[REF] Remove useless field migration because 'oldname' is defined;
Updated openupgrade_analysis_WORK.txt with comments