More to gitignore.
Updated license to new BSD style.
Updated engine to Spree 2.x style.
Updated spec helper with common stuff.

- Fuubar for spec runs.
- Simplecov and coveralls.
- DatabaseCleaner etc.
New branches to Versionfile.
Add Swedish locale.
Add i18n spec for locales.
Spree namespace and cleanup keys for EN locale.
Change assets names to match engine style approach.
Cleanup migration.
Spree i18n namespace and code formatting.
More code formatting mainly 1.9 hash syntax.
Updated readme and add Travis config.
Minor refactor on video_spec using let.

This spec still fails due to "Can't mass-assign protected attributes:
url" and Video probably have to go into Spree namespace.