test font awsome fix
more fond-awesom test
font-awesom test didn't work

Note: the cross site is coming form the difference b/t
www.greenbuttondata.org, file:/// ; and green-button.github.io as
related to the config.yml baseURL setting
"learn" draft

draft of second level look/feel exemplified in the draft of
learn/index.html

+ additions to library/archive repository of marty's github cheat sheet
further content (use/learn)
additional learn content
draft "use" content
Merge remote-tracking branch 'upstream/master'