Update GamePanel.java
Update GameTile.java
Update GridManager.java
Update Healer.java
Update MagicUnit.java
Update MeleeUnit.java
Update RangedUnit.java
Update TileGrid.java
Update Unit.java
Create Updatables.java
Create SampleUnit.java
Update GridManager.java
Merge pull request #3 from DevilDogs117/master

Updated Game - 5/23/2014