Re #1256 Initializing HierarchicalController.
Re #1557 Reorganizing Mongo connections.
Re 1557 Reorganizing Mongo connections.
Re #1256 Implementing self, children, parent, following-siblings and preceeding-siblings API calls.
Re #1256 Output format tweaks.
Re #1256 Apply method name changes.
Re #1256 add log entries.
Re #1256 Remove log entries.
Re #1256 adding parent.
Re #1257 Adding 'withChildrenCount' profile for displaying the children count.
Re #1257 Adding 'withChildrenCount' profile for displaying the children count.
Re #1257 Adding 'withChildrenCount' profile for displaying the children count.
Re #1642 Adding branch name to build.txt.
Re #1257 Adding childrenCount by default
Re #1257 Adding childrenCount by default
Re #1257 Checking whether an object existing before using it.
Re #1257 Renaming 'object' to 'self'.
Re #1257 Adding root childrenCount if request is following-siblings or preceeding-siblings.
Re #1257 Refactoring hasParent.
Re #1257 Refactoring hasParent.