Added: Node store service
Added: Node store views
Added: Tests for get node
Added: Tests for delete node
Added: Function to write multiple nodes.
Added: Node exists in node store
Added: Node set and insert to node store
Added: Tests for deleting node as user and admin
Added: Tests for testing update node in store
Updated: Copyright
Fixed: Code style issues
Deleted: Unused commented code
Added: DBConnection check for embedded DB
Removed: getClusterNodes from NodeStoreView. Should be in ClusterStoreView
Checkpoint: Ability to POST a node
Checkpoint: Ability to GET a list of nodes
Checkpoint: Creating tests around these two methods
Refactored tests in node handler
Create nodes in node handler takes a list now