Merge pull request #148 from franckstauffer/dev2

Bcrypt is now the default password hashing method
Fixed "image-uploader" and used it in Media/Image editor.
Enhanced "image-uploader" to display media info when editing the document.
Updated AngularJS to use 1.1.5 (but something seems broken in routing process: https://github.com/angular/angular.js/issues/2799#issuecomment-18462697).
Working on navigation in trees or flat lists... Still needs work...
Fixed navigation, Breadcrumb load and update and many other fixes.
Merge pull request #149 from fredericbonjour/Admin

Updated Backoffice.
Refactor System Db Schema
Add Workflow Engine
Merge pull request #150 from inthause/workflow

Add Workflow basic implementation
US localization