Add: Dependencias base64 y cookies
Readme: Mas tareas
Fix: Swig -> Twig
Add: Mongodb connector
Remove: Admin less
Add: MongoDB Session
Changes: Cambios varios
Merge branch 'dev' of https://github.com/foxnet-es/book.selling into dev

Conflicts:
	services/site/modules/my-account-uploaded-books/index.js
	src/js/server/book.selling.login.js