Polishing TIC: Courseware Icons

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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