Update for Prestashop 1.7 (#3261)

Prestashop.gitignore

-# Private files
-# The following files contain your database credentials and other personal data.
+# Cache, temp and personal files
 
-config/settings.*.php
+/.htaccess
+*.log
 
-# Cache, temp and generated files
-# The following files are generated by PrestaShop.
-
-admin-dev/autoupgrade/
+# Cache
 /cache/*
-!/cache/index.php
-!/cache/*/
-/cache/*/*
+!/cache/.htaccess
 !/cache/cachefs/index.php
+!/cache/deprecated.txt
+!/cache/index.php
 !/cache/purifier/index.php
+!/cache/push/activity
 !/cache/push/index.php
+!/cache/push/trends
 !/cache/sandbox/index.php
+!/cache/smarty/cache/index.php
+!/cache/smarty/compile/index.php
 !/cache/smarty/index.php
 !/cache/tcpdf/index.php
-config/xml/*.xml
-/log/*
-*sitemap.xml
-themes/*/cache/
-modules/*/config*.xml
 
-# Site content
-# The following folders contain product images, virtual products, CSV's, etc.
+# Download
+/download/*
+!/download/.htaccess
+!/download/index.php
 
-admin-dev/backups/
-admin-dev/export/
-admin-dev/import/
-download/
+# Images
 /img/*
-upload/
+!/img/.htaccess
+!/img/index.php
+!/img/404.gif
+!/img/bg_500.png
+!/img/bg_loader.png
+!/img/favicon.ico
+!/img/loader.gif
+!/img/loadingAnimation.gif
+!/img/logo.jpg
+!/img/logo.png
+!/img/logo_invoice.jpg
+!/img/logo_stores.png
+!/img/macFFBgHack.png
+!/img/prestashop-avatar.png
+!/img/prestashop@2x.png
+!/img/preston-login-wink@2x.png
+!/img/preston-login@2x.png
+!/img/questionmark.png
+!/img/genders/index.php
+!/img/admin/index.php
+!/img/c/index.php
+!/img/cms/index.php
+!/img/co/index.php
+!/img/jquery-ui
+!/img/l/index.php
+!/img/m/index.php
+!/img/os/index.php
+!/img/p/index.php
+!/img/s/index.php
+!/img/scenes
+!/img/st/index.php
+!/img/su/index.php
+!/img/t/index.php
+!/img/tmp/index.php
+
+# Upload
+/upload/*
+!/upload/.htaccess
+
+/vendor/*
+/docs/phpdoc-sf/
+/composer.lock
+*.hot-update.js
+*.hot-update.json
+
+
+/admin-dev/autoupgrade/*
+!/admin-dev/autoupgrade/index.php
+!/admin-dev/autoupgrade/backup/index.php
+
+/admin-dev/backups/*
+!/admin-dev/backups/.htaccess
+
+/admin-dev/import/*
+!/admin-dev/import/.htaccess
+!/admin-dev/import/index.php
+
+/admin-dev/export/*
+!/admin-dev/export/.htaccess
+!/admin-dev/export/index.php
+
+# Downloaded RTL files
+/admin-dev/themes/default/css/bundle/default_rtl.css
+/admin-dev/themes/default/css/bundle/shared_rtl.css
+/admin-dev/themes/default/css/font_rtl.css
+/admin-dev/themes/default/css/overrides_rtl.css
+/admin-dev/themes/default/css/vendor/font-awesome/font-awesome_rtl.css
+/admin-dev/themes/default/css/vendor/nv.d3_rtl.css
+/admin-dev/themes/default/css/vendor/titatoggle-min_rtl.css
+/admin-dev/themes/default/public/theme_rtl.css
+/admin-dev/themes/new-theme/css/module/drop_rtl.css
+/admin-dev/themes/new-theme/css/right-sidebar_rtl.css
+
+themes/*/cache/*
+
+# Config
+
+config/settings.inc.php
+config/settings.old.php
+config/xml/*
+config/themes/*
+!config/xml/themes/default.xml
+themes/*/config/settings_*.json
+app/config/parameters.old.yml
+app/config/config.php
+
+# Themes, modules and overrides
+
+modules/*
+override/*
+themes/*/
+!themes/classic
+!themes/_core
+!themes/_libraries
+
+# Vendors and dependencies
+
+bower_components/
+node_modules/
+composer.phar
+php-cs-fixer
+.grunt/*
+
+# Translations and emails templates
+
+translations/*
+mails/*
+!mails/themes/
+!mails/_partials/
+themes/default-bootstrap/lang/*
+themes/default-bootstrap/modules/*/translations/*.php
+themes/default-bootstrap/mails/*
+!themes/default-bootstrap/mails/en/
+themes/default-bootstrap/modules/*/mails/*
+!themes/default-bootstrap/modules/*/mails/en
+
+# MISC
+
+*sitemap.xml
+/robots.txt
+
+# Symfony
+
+/bin/
+/app/Resources/geoip/GeoLite2-City.mmdb
+/app/Resources/translations/*
+!/app/Resources/translations/default
+/app/config/parameters.yml
+/app/config/parameters.php
+/build/
+/phpunit.xml
+/var/*
+!/var/cache
+/var/cache/*
+!var/cache/.gitkeep
+!/var/logs
+/var/logs/*
+!var/logs/.gitkeep
+!/var/sessions
+/var/sessions/*
+!var/sessions/.gitkeep
+!var/SymfonyRequirements.php
+/vendor/
+/web/bundles/
+