warns users on signup if their chosen username already exists (fixes #273)
Merge pull request #275 from npm/user-already-exists-warning

warns users on signup if their chosen username already exists (fixes #273)
support @seldo’s recent changes without increasing style debt;
use consistent hyphen-delimited names;
take out the ems in hgroup;
use consistent casing
fix a style naming regression
add a `superfluous` css class to unwanted README elements instead of removing them from the DOM
hit *** to toggle display of superfluous readme elements
update readme presenter tests
moar badge domains
fix star alignment
shrink readme font size and set sizes for h345. Fixes #284 and fixes #285
fixes npm-before-time-existed bug + template change
Merge pull request #252 from npm/style-cleanup

stylesheet housekeeping
footer: improve #npm-loves-you animation
what npm is for
look good on mobile
use npm-hosted malarkey; css cursor animation!
make the malarkey more future-friendly
type a little faster, buddy. errr.. friend.
npm is for many things, but node shows up first and javascript shows up last and stays on the screen