> added starts of GameNode and GameTree
> added jsplumb library with example
> changed id of DOM element to "game-tree"
> only one endpoint per element, located in the center
> extracted database configuration to database.properties
> added log4j configuration
> added postgresql connector
> added database check using Session
> made changes to the entities
> added methods in controller for handling form input
> added setter for name to fix bug with form input
> corrected name for gametree id field
> added more fields to GameNode
> added the possibility to add a GameNode to a tree
> reduced toString method for GameNode to avoid trying to instansiate a lazy collection, and thus avoid a crash
> corrected JSP view to retrieve id of tree
> changed plumb graph example to be unidirectional
> added jsplumb files to the Spring resources
> added content to header.jsp
> added the jsplumb example to view.jsp
> made view mode use the actual node names from the database
> shortened GameNode toString to only show id and name
> connections are now also read from database
> added automatic positioning of nodes
> added click functionality to plumb example
> added jqueryui CSS for plumb example
> added jQuery UI CSS to Spring Resources
> changed text labels in add.jsp
> added jquery ui CSS to header
> added click functionality for a node to view.jsp
> after having added a new node now uses the same view as before adding - add.jsp
> added some design on create.jsp
> changed connectors in example to straight
> added global settings for overlays for plumb example
> in jsplumb example, using two endpoints for each window to allow adding new connections
> jsplumb example: added listener for when new connections are added with mouse
> added straight connectors and arrows to all to Spring view.jsp
> added editmode option that controls if a connection can be removed
> added JavaScript function for when a connection is removed
> fixed syntax error bug in edit mode
> improved connect handling
