Factor fetch-package-metadata out into a stand alone function
Update github specific code to be git host agnostic
Cleanup package metadata access commands to use the One True Way
Expose writeBuiltinConf and linkStuff so install can use them
Swap the spinner out for the new progress bar code in npmlog
We should link to www.npmjs.org not npmjs.org
Support new hosted type returned by npm-package-arg
Add rudamentary progress tracking to fetchPackageMetadata
Add multi-stage installer