Sorted author lists for degrees of separation
Merge remote-tracking branch 'vasilis/master'
add a method to give in different lists the nodes and the edges for the dfs and added the code for displaying the shortest path, however it does not work so far
Merge remote-tracking branch 'justins/master'
Merge remote-tracking branch 'chairepetis/master' into chairepetischanges
moved lib files for visualisation of graph
Merge remote-tracking branch 'chairepetis/master' into chairepetischanges
fixed some errors
Merge remote-tracking branch 'vasilis/master'
dfs returns the graph in the form of a hashmap with adjacency lists
fixed some bugs, still not working
Merge remote-tracking branch 'chairepetis/master' into chairepetischanges