[-] Fix multilingual field bad value retrieval
Tools: change clearSmartyCache to use native clear

When using not file based cache the function is not working.
[*] BO : missing name change to Default-bootstrap
[-] FO : 1.5 theme on opc free order
Update group.xml

Change to german.
[FO][BO] Allow setting cookie expire time to 0

Allow's cookie expiring on browser close
// remove unnecessary call in product class
[*] BO : Modules - some UI fixes
// Submodules switched to master branch
[-] FO : removed cart rule description from the name in the blockcart
[*] BO : some UI fixes
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
// typo
// revert json commit
[*] BO : some UI fixes
// nav max height
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
// CONTRIBUTING.md : Add info about recursive cloning (and other tidbits).
Merge pull request #1605 from xBorderie/patch-2

// CONTRIBUTING.md : Add info about recursive cloning (and other tidbits...
// README.md : Update description, mention Git recursive cloning.