LB-1664: As a user, I want my old embeds to keep working after switching to the SEO solution

Don't ignore needed dependencies.
LB-1664: As a user, I want my old embeds to keep working after switching to the SEO solution.

Added __init_.py files needed by the egg build process.
Added bower dependencies
Added npm needed dependencies.
LB-1664: As a user, I want my old embeds to keep working after switching to the SEO solution.

Added __init_.py files needed by the egg build process.
Added bower dependencies
Added npm needed dependencies.
Merge pull request #719 from nistormihai/devel

Added missing dependencies.