ignore bole global variable leakage in tests
fixes failing tests and ignores bole in error service as well
single quotes do the trick. thanks @ceej
add test coverage script
update README for VirtualBox issue.
Merge branch 'master' into ignore-bole
Merge pull request #256 from npm/ignore-bole

ignore bole global variable leakage in tests
style the 500 page
styles the user not found page
use an h2; say less;
s/search/find/
autofocus the package search input
ignore bole even more!
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)
Merge branch 'master' into readme-cleanup