More user profile tests
Small change to UserProfile model
Experimental implementation of entity relations of 'geopolitical entities' and their budgets. WIP.
More additions to the experimental entity model.
More enhancements to experimental ent rels.
Enhancements to Budget and Classification models
Changed direct_children to children and implemented descendants
Added django-modeltranslation
Clean up to suit recent model changes
Integrated with Modeltranslation
Merge branch 'develop' of https://github.com/prjts/open-muni into develop
Added grappelli for better django admin framework. Added Rosetta to expose file translations to admin users. Made locale files for he, ar, and ru.