Grunt does not work out of SSH environment

[perrivdb]

Class 'Locale' is missing

[paliarush]

@perrivdb I do not personally use front end developer tools. If you know how to fix/upgrade it, feel free to add your upgrade script to https://github.com/paliarush/magento2-vagrant-for-developers/blob/2.0/scripts/provision/upgrade_environment_recurring.sh