function unsnakecase( str ) {
	var parts;
	var i;
	parts = str.split( '_' );
	for ( i = 0; i < parts.length; i++ ) {
		parts[ i ] = capitalize( parts[ i ] );
	}
	return parts.join( ' ' );
}
Converts a snakecase name to a normal name.

@private
@param {string} str - snakecased name
@returns {string} normal name