allow semver@3
v3.0.3
bump mkdirp dep
v3.0.4
better semver deps
v3.0.5
mkdirp derp
isc license
v3.0.6
port fetch from npm lib

Includes some refactoring to extract functions common to request and
fetch, as well as a simplification of request.
only metadata requests should be compressed
fetch always follows
ironed out bizarrely convoluted [no]follow logic
escape package names correctly for unpublishing
3.1.0
concat-stream is only for tests
3.1.1
remove unsightly quotes in logs (fixes #58)

Sorry Tim!
Print out the npm-notice header, if we receive one
v3.1.2