Merge pull request #1370 from xBorderie/1.6

[*] MO : String consistency + string debug for blocklayered.
[-] BO : FixBug #PSCSX-644 - Missing States/Countries list bulk actions confirmation
[-] MO : blockcmsinfo : add author PrestaShop
[-] MO : blockcontact : add author PrestaShop
Merge pull request #1371 from indesign47/patch-32

[-] MO : blockcmsinfo : add author PrestaShop
Merge pull request #1372 from indesign47/patch-33

[-] MO : blockcontact : add author PrestaShop
[-] MO : blockfacebook : add author PrestaShop
// follow up https://github.com/PrestaShop/PrestaShop/commit/86f25c5374fc2fc9f02d8d903bb954d684876de9
Merge pull request #1373 from indesign47/patch-34

[-] MO : blockfacebook : add author PrestaShop
[-] MO : blockcontactinfos : add author PrestaShop
[-] MO : blocksocial : add author PrestaShop
Merge pull request #1374 from indesign47/patch-35

[-] MO : blockcontactinfos : add author PrestaShop
Update config.xml
[-] MO : blocksharefb : add author PrestaShop
[-] MO : blockreinsurance : add author PrestaShop
Merge pull request #1375 from indesign47/patch-37

[-] MO : blocksharefb : add author PrestaShop
Merge pull request #1376 from indesign47/patch-36

[-] MO : blocksocial : add author PrestaShop
[-] BO : FixBug #PSCFV-11370 Remove product selection when no action is selected
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6