update docs; lint cleanup
add README links to tree.drfloob.com
blind attempt at Travis-CI; TODO update
TODO
implement travis tests without grunt connect
docs; travis-ci related updates
pkg fix; README badge move
attempt platform-based testing

Browsers that are known to support immutability are tested for
immutability via the homegrown `envDetect`.

TODO: ensure all other browsers fail at immutability, to refine the
list.
keep non-immutable platforms honest
Merge branch 'master' of /home/aj/proj/coach/lib/_tree into gh-pages

Conflicts:
	Gruntfile.js
	README.md
	TODO.md
	package.json