code: public static String getAuthor(String extensionName) {
  		String author = null;
  		if (extensionName != null) {
  			author = extensionName.substring(0,
  					extensionName.indexOf(EXTENSION_NAME_DIVIDER));
  		}
  		return author;
  	}
docs: Get the author from the beginning of the extension name
  
  @param extensionName
  extension name
  @return author extension author
  @since 1.1.0