Add -b/--browser to serve command, to preview instantly in a browser
Added serve -b option to changelog
Update changelog with issue number
webbrowser.open() -- who knew!?
Merge branch 'serve-instant-gratification' of https://github.com/getnikola/nikola into serve-instant-gratification
Merge pull request #997 from getnikola/serve-instant-gratification

Add -b/--browser to serve command, to preview instantly in a browser