Polishing TIC: Courseware Icons

public/assets/images/icons/black/copy.svg

public/assets/images/icons/black/export.svg

public/assets/images/icons/black/file-copy.svg

public/assets/images/icons/black/import.svg

public/assets/images/icons/black/info-list.svg

public/assets/images/icons/black/list.svg

public/assets/images/icons/black/literature-request.svg

public/assets/images/icons/black/literature-request2.svg

public/assets/images/icons/black/network2.svg

public/assets/images/icons/black/progress.svg

public/assets/images/icons/black/share.svg

public/assets/images/icons/black/source.svg

public/assets/images/icons/black/style.svg

public/assets/images/icons/blue/copy.svg

public/assets/images/icons/blue/export.svg

public/assets/images/icons/blue/file-copy.svg

public/assets/images/icons/blue/import.svg

public/assets/images/icons/blue/info-list.svg

public/assets/images/icons/blue/list.svg

public/assets/images/icons/blue/literature-request.svg