Added bower tool

Integrated use of bower tool into project. Some additional small changes
in versions and cleanup.
MongoDb helper classes

Implemented base tools for work with mongo database.
UniversalDao and controller

Implementation of universal dao and rest controller.
Base registries functionality serve/client part

First working end-to-end version of registries.
Created mrpropper task to hard clean before commit

Grunt task mrpropper cleans directory structure from data which
should not be commited into repository.
merge from sosik
cleanup