s/CommandBuild/CommandServe/
Merge pull request #996 from ramiro/fix-serve-cmd-class-name

s/CommandBuild/CommandServe/
Prepend `Command` to class names where missing

via #996

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
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
Update CHANGES.txt
shut up flake8

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>