the alert part of the code seems to work but it creates huge performance
drops, don't merge this until binary heap is finished
pathfinding now works with binary heap (noticeable performance increase)
and dijkstra, search and alert are now also functionnal
made preparations for adjusting of parents
fixed adjustments of parents in pathfinding
Merge pull request #58 from malmuki/devMeleeAttacks

Dev melee attacks
Merge branch 'dev' of https://github.com/malmuki/Tp3-RTS-A14.git into Francois