Clean code on mongo connection
Added Layer Doc and made minor changes on other docs
Injected dependency on usersService
Created service for Instances on Cluster
Added connect and deploy methods
Added getCurrentUser method on all controllers
new method addNode
Injected app[security] in each controller
Managed owner field
One more check on field email
Crated controller for instances
Added DI in all services and controllers
Removed comments and done some test route
Minor changes on tests
Added Get method to base controller
Added Get method to base controller
Minor changes to documents
Debugging embeds not working on ClustersService