Add definitions to extract the core
refactor autoload and add many composer.json
Add setup and config as composer vendors
Update composer.json elements for thelia/installer 1.1
Add setup directory as a overridable constant
Fix config file loading
Fix thelia.core_dir parameter
Add readme to new subtree depots
Add changelog
Fix smarty composer name
Improve setup scripts autoloading
Add modules composer.json and license
Add more licenses on subtrees
Restore git submodule
Merge pull request #1019 from lovenunu/extract-thelia-core

Extract Thelia core
Added nofilter to render hook account-additional content
Added new Thelia field type
Added new constant for order_product
Updated hasVirtualProduct to not test the presence of filename as module could implement the proccess differently
Updated loop product_sale_elements. added ref argument and implemented SearchLoopInterface