[MO] : blocktopmenu - Correct top menu display issue #PSCSX-2607
Merge branch '1.6' of https://github.com/PrestaShop/PrestaShop into 1.6
/// Clean code
// report of #PSCSX-2634
Merge remote-tracking branch 'upstream/1.6' into 1.6
[-] FO : Correct left column responsive issue #PSCSX-1862
fixes issues in getNestedCategories() where id of root_category is not 1
// Submodules updated
[+] LO: Added localization pack for Costa Rica
Merge pull request #2005 from djfm/1.6

[+] LO: Added localization pack for Costa Rica
Merge pull request #2004 from ptigas/1.6

fixes issues in getNestedCategories() where id of root_category is not 1
// opti css
Merge branch '1.6' of github.com:PrestaShop/PrestaShop into 1.6
[+] FO : missing style on maintenance page (cf https://github.com/PrestaShop/PrestaShop/pull/2003)
zsh:1: command not found: :wq
// merge
Merge branch '1.6' of github.com:PrestaShop/PrestaShop into 1.6
// merge
[*] BO : Add TaxRulesGroup if multiple state selected
[-] CORE : Fix bug #PSCFV-12292, display precision in convertPriceFull