update dependencies

google/apiclient dev-master#c2d8dc7 => 1.0.5-beta
herzult/php-ssh v1.0.0 => v1.0.1
doctrine/cache v1.3.0 => v1.3.1
doctrine/dbal dev-master#06b68c0 => dev-master#d47a941
add bjeavons/zxcvbn-php
add password entropy service
add log trait
add info logging
update frontend dependencies
refactor get content by id
fix video page lazy user creation