Merge changes from aaron with in-progress work on new comments/edits notification.
finished /new changes (per project tracking)
Merge github.com:strbean/snowdrift
change color on alpha notice
added link to on-site site-design page
Adjuste title for new edits, added title for new comments
changes to /new, comments still unfinished
one of many new images, more to come
intro separate images, all png and svg files compressed!
fixed issues with Merge github.com:strbean/snowdrift

Conflicts:
	Handler/Discussion.hs
	templates/wiki_new_edits.hamlet
updated size of 100.png and removed text from quadratic image
changed the /p/snowdrift/w/intro in the devDB to match my new full HTML coded illustrated intro
added co-op twin trees image
Discussion cleanup, initial rethreading pass
adjusted README to better explain our approach to JavaScript
changes to /newcomments
Merge github.com:strbean/snowdrift

Conflicts:
	templates/wiki_new_comments.hamlet
removed paragraph about Bootstrap columns being required. They are NOT required for any full-width item
(I'm going to go through and remove excess rows and columns now throughout the site…
moved design guidelines to after the statement about our tools
added more margin above footer