NR-610 : Complete the security gateway

Small changes.
NR-610 : Complete the security gateway

Added authentificated gateways.
NR-610 : Complete the security gateway

Added security gateways filters.
NR-610 : Complete the security gateway

Small setup changes to remove direct dependencies for
ally core http.
APY-13 : Complete the security gateway

General refactoring.
APY-13 : Complete the security gateway

Added authenthicated header support for server side filtering
for INSERT and UPDATE.
APY-13 : Complete the security gateway

Added support for server side persistence validation
APY-13 : Complete the security gateway

Started the alternate implementation for gateway.
APY-13 : Complete the security gateway

Alternate urls for gateway.
APY-13 : Complete the security gateway

Added alternate navigation (still needs testing)
APY-13 : Complete the security gateway

Removed the testings
APY-13 : Complete the security gateway

Fixed binding order.
APY-13 : Complete the security gateway

Centralized the path encoding.
Actions and acl beautifying
APY-13 : Complete the security gateway

Updated the superdesk plugins for the new structur.
APY-13 : Complete the security gateway

Updated and cleanded.
Small updates for start sources.
Set the welcome page showing thumbnail actvie blog view

Only change the class list
Small fix
NR-819 : Advanced file upload

almost done