Muted background music
Added MapHelper class to keep track of spawning points on the map.
Added a SpellSpawn class, which represents spell spawning points on the map. Basic functionality provided.
Added a couple of spawns in map 99
The game loop now spawns spells using MapHelper
Players no longer respawn in random places
MapLoader now initializes and registers a MapHelper
Removed a debug message in SpriteComponent
Adding MapHelper and SpellSpawn the to project
Fixing a bug in SpellSpawn
A sound is now played when a projectile hits something
Merge branch 'master' of github.com:lemrey/flaming-octo-meme
Merge branch 'development-spawns'

Conflicts:
	flaming-octo-meme/flaming-octo-meme/Entities/Player.cs
	flaming-octo-meme/flaming-octo-meme/Game1.cs