fix linting errors in moderator
ignore node_modules
fix dependency errors

$.url is now required as a module.
embed.init gets the player list as second parameter.
The init function is then called from within the player module after
players are initialised.
Merge branch 'embed' of https://github.com/podlove/podlove-web-player into preprocess-css
Configure debugging statements in config.rb

- Import compass plugin 'sass-css-importer'
- Disable line-comments in css output

Import 'sass-css-importer'