update readme to include new dependencies and slightly improve workflow tips

Author: ajpiano

README.md

@@ -6,9 +6,10 @@
 
 * Clone/fork this repo
 * Install our lovely friends "The Dependencies"<br/>
-`> gem install nanoc kramdown adsf mime-types`
+`> gem install nanoc kramdown adsf mime-types curb json`
 * Change to the newly cloned repository's directory
-* Run nanoc<br/>
-`> nanoc autocompile`
+* Run the nanoc server<br/>
+`> nanoc view &`
 * The site should be running on _http://localhost:3000. Use the `--port` option to specify a different port.
-
+* Set the site to watch for changes and re-compile
+`> nanoc watch`