Try to reduce the quality lost in compression or resizing

Shrink down images to more sensible dimensions, and crop more tightly
if needed.

All these images are no longer linked from
any doc and need to be removed

Using the pngquant:compresss raketask

Compress images in the doc/ dir using the raketask

rake pngquant:compress

This reverts merge request !58

Aakriti Gupta authored 5 years ago and GitLab Release Tools Bot committed 5 years ago

Better titles and some grammar updates