Moved schemas to their own package
Moved schemas to their own package.

	deleted:    src/APathIntegrationLayer.java
	deleted:    src/ActionSelectionSchema.java
	deleted:    src/AffPerceptualSchema.java
	deleted:    src/Drive.java
	deleted:    src/DynamicRemappingLayer.java
	deleted:    src/HasselmoGridCellLayer.java
	deleted:    src/HebbianNetwork.java
	deleted:    src/InputToPlaceCellLayer.java
	deleted:    src/LandmarksFeatureDetectorLayer.java
	deleted:    src/LandmarksLayer.java
	deleted:    src/LandmarksPerceptualSchema.java
	deleted:    src/MotivationalSchema.java
	deleted:    src/PathIntegrationFeatureDetectorLayer.java
	deleted:    src/PerceptualSchema.java
	deleted:    src/PlaceCellLayer.java