Paint highscore players white
Powerups now do not spawn inside border or shield boundary.
Used powerup size now.
Oldranking list is now kept up to date.
Merge branch 'development' of https://github.com/olafmaas/contextprojectgroep6.git into development

Conflicts:
	src/server/lib/Settings.js
	src/server/lib/SocketHandler.js
Settings