updated Readme and removed docs from master
relative link change to full README
use absolute link to other repo's README
changed background size on thumbnails

the Snapito API doesn’t seem to be reading the size parameter, so apply
“cover” to background size will make sure that thumbnails don’t get
distorted.
Merge pull request #68 from deweyapp/thumbnail-sizing

Background size on thumbnails
Publish version 2.0.3
Merge branch 'master' into dev

Conflicts:
	README.md
	css/style.css