Log Message:
graphics/ruby-image_size: add package version 2.0.2

Add ruby-image_size package version 2.0.2.

Measure image size using pure Ruby.

formats: apng, bmp, cur, gif, jpeg, ico, mng, pbm, pcx, pgm, png, ppm, psd,
swf, tiff, xbm, xpm, webp.