localhost plugin which opens http://localhost:3000 (and other ports) in the default browser
Allow http://localhost:$port to be opened in the default browser using either the port number for common ports or `lh` for an arbitrary port.
Merge pull request #19 from krisleech/localhost-plugin

plugin to open http://localhost:3000 (and other ports) in the default browser
apply the variable-naming-convention
rebase to the new head