Update locales path.
First steps of facebook auth integration using 'everyauth' module.
Login using facebook works (for index page, other pages became destroyed).
All pages support facebook authorization. Fb icon added.
Added comments with used DynamoDb table descriptions.
Merge pull request #4 from andrei-golyakov/third-party-sign-on

Third party sign on (facebook)
Added i11n.
Merged master fixed conflicts.