- Added billboard class to allow for easy instantiating of sprites facing camera.
- Created a selection rectangle over selected entities.
- Added a health bar display above select entities.
- Added simple line renderer for 2D line drawing.
- Instantiated objects are now given a name to help debugging things other than 'New Game Object'.
- GUI class no longer handles minimap drawing.
- Minimap is now a dedicated class object that handles the minimap and is C# instantiated (no prefabs).
- Entities no longer handle their own minimap icon directly and provide icon references to minimap object.
- Added a minimap icon class that handles minimap icons such as building icons.
- Removed fake/hack minimap drawing which was using Unity Plane primitives in the sky in-between minimap camera and ground.
- Added helper functions to convert world coordinates to minimap coordinates and back.
- Selected objects will no longer reselect if they're already selected and clicked on.