Updated the deprecated rules for html5 de-deprecation!

`<small>` is valid (though repurposed) in html5, as is `<b>`, 

image width and height attributes aren't deprecated and are actually useful to prevent reflow that may occur with an image that has it's height/width set via external css file. ( citation: http://stackoverflow.com/questions/1247685/should-i-specify-height-and-width-attributes-for-my-imgs-in-html , http://stackoverflow.com/questions/2414506/should-image-size-be-defined-in-the-img-tag-height-width-attributes-or-in-css )