MDL-43152 JavaScript: Fix linting issues with moodle-core-blocks
MDL-43152 JavaScript: Fix linting issues with moodle-theme_bootstrapbase
MDL-43152 JavaScript: Fix linting issues with moodle-block_navigation-navigation
MDL-43152 JavaScript: Fix linting issues with moodle-core-notification
MDL-43152 JavaScript: Add update instructions for gallery-bootstrap