Finalized sales
Finished front offcie integration
Merge branch 'master' into sales-attributes

Conflicts:
	CHANGELOG.md
CS fix.
Added `new`, `promo` and `default` parameters to `product_sale_elements` loop
Translations and minor fixes
Removed forced compilation of template
Performance improvement (680ms gain here)
refactor admin main menu
Removed useless cache lifetime change.&
Removed unused import
Merge pull request #677 from lunika/admin_menu

refactor admin main menu
Merge pull request #676 from roadster31/sales-attributes

Sales attributes
fix parameters for generateRedirectFromRoute
Merge pull request #681 from lunika/redirect

fix parameters for generateRedirectFromRoute
add in loop content the order argument position

position
position_reverse
add loop OrderProductTax
Add customer version
	modified:   core/lib/Thelia/Model/Base/Customer.php
	modified:   core/lib/Thelia/Model/Base/CustomerQuery.php
	new file:   core/lib/Thelia/Model/Base/CustomerVersion.php
	new file:   core/lib/Thelia/Model/Base/CustomerVersionQuery.php
	modified:   core/lib/Thelia/Model/Base/Order.php
	modified:   core/lib/Thelia/Model/Base/OrderVersion.php
	modified:   core/lib/Thelia/Model/Base/OrderVersionQuery.php
	modified:   core/lib/Thelia/Model/Customer.php
	new file:   core/lib/Thelia/Model/CustomerVersion.php
	new file:   core/lib/Thelia/Model/CustomerVersionQuery.php
	modified:   core/lib/Thelia/Model/Map/CustomerTableMap.php
	new file:   core/lib/Thelia/Model/Map/CustomerVersionTableMap.php
	modified:   core/lib/Thelia/Model/Map/OrderVersionTableMap.php
	modified:   local/config/schema.xml
	modified:   setup/thelia.sql
	modified:   setup/update/2.1.0-alpha1.sql
Merge pull request #684 from zzuutt/add-loop-OrderProductTax

add loop OrderProductTax
Merge pull request #687 from lovenunu/customer

Add customer version