Build tooling updates (#775)

* Fix demo watch

* simplify website build

* update tooling deps

* update package.json files to include sourcemaps

Author: gpoitch

.gitignore

@@ -49,6 +49,5 @@ Session.vim
 keys.txt
 export.sh
 /dist
-/website
 /tmp
 server.sh

README.md

@@ -494,8 +494,7 @@ The demo website is hosted at
 
 To publish a new version:
 
-- `yarn run build:website` - This builds the website into `website/`
-- `yarn run deploy:website` - Pushes the `website/` subtree to the `gh-pages`
-  branch of your `origin` at github
+- `yarn run build:website` - This builds the website into `dist/website`
+- `yarn run deploy:website` - Pushes the website to the `gh-pages` branch of the `origin` at github
 
 _Development of Mobiledoc and the supporting libraries was generously funded by [BDG Media](https://www.bdg.com)._

bin/build-website.sh

@@ -4,10 +4,10 @@ git branch -D gh-pages
 git checkout -b gh-pages
 
 CURRENT_SHA="$(git rev-parse HEAD)"
-git add website/ -f
+git add dist/website/ -f
 git commit -m "Built website from $CURRENT_SHA"
 
-git push origin `git subtree split --prefix website`:gh-pages --force
+git push origin `git subtree split --prefix dist/website`:gh-pages --force
 echo "Deployed to http://bustle.github.io/mobiledoc-kit/demo/"
 
 git checkout master