Added width and height for image tag such that , graphs which dont have :width , like smooth graph, dont overshoot required image size in HTML to disturb layouts
Added width and height for image tag such that , graphs which dont have :width , like smooth graph, dont overshoot required image size in HTML to disturb layouts

Signed-off-by: Geoffrey Grosenbach <05b1f356646c24bf1765f6f1b65aea3bde7247e1@topfunky.com>
topfunky/sparklines