made changing the size of the vertices easier
fixed an issue where the vertex is gone out of sight while resizing window fast, by adding a "repaint()" call
changed lyout to split panel, to implement a "explanaition" section
modified behaviour of splitpanel divider
modified behaviour of split panel divider on start up
created abstract class graphelement to put together functionalities for both Vertices and Edges
renamed
refactored due to changed name of GUI
creted prototype for an graph that will be passed to the algorithm class
added interface and abstract class for algorithms and created first prototype of Dijkstra