Correction if stock of the items = 0

At the time of paying if the stock of the article passes in 0
redirect to cart
Correction At the time of paying if stock of the items = 0

At the time of paying if the stock of the article passes in 0
redirect to cart
Correction
correction if response
coreection
Fixed documentation
remove meta robots tag
Merge pull request #879 from lunika/meta

remove meta robots tag
new option --force to update module with missing directories and files.
updated module.xml skeleton to the new version
Merge pull request #865 from zzuutt/patch-9

Correction at the time of paying if stock of the items = 0
Added test for option --force

Fixed coding style
Added a php script to update Thelia and replace the Thelia update command
Added web update process
Added translation

Added translations

Fixed CS
Update process don't use Propel anymore
Added backup and restore db capabilites
Added backup and restore for update process
Implemented backup and restore for update command
Implemented backup and restore for update wizard