Clean-up mutation code

Mutation.h

@@ -16,7 +16,6 @@ namespace fs = boost::filesystem;
 //but should be overloaded by a child class
 class Mutation {
 public:
-	//virtual void mutate(Image* img) = 0;
 	virtual Image* getMutated(Image* img) = 0;
 
 	virtual string ToString() = 0;
@@ -31,10 +30,6 @@ public:
 	Image* getMutated(Image* img) {
 		Image* mut = new Image(*img);
 		mut->type(GrayscaleType);
-		/*mut->quantizeColorSpace(GRAYColorspace);
-		mut->quantizeColors(256);
-		mut->quantize();
-		mut->type(TrueColorType);*/
 		return mut;
 	}
 	string ToString() {
@@ -42,7 +37,7 @@ public:
 	}
 };
 
-class Flip : public Mutation {
+//Mirrors over the vertical axis
 public:
 	Image* getMutated(Image* img) {
 		Image* mut = new Image(*img);
@@ -66,6 +61,7 @@ public:
 	}
 };
 
+//Very low quality JPEG re-encoding
 class LowQ : public Mutation {
 public:
 	Image * getMutated(Image* img) {
@@ -78,6 +74,7 @@ public:
 	}
 };
 
+//Medium quality JPEG re-encoding
 class JPEG : public Mutation {
 public:
 	Image * getMutated(Image* img) {
@@ -90,6 +87,7 @@ public:
 	}
 };
 
+//A 50% hue-shift to the right
 class Hue : public Mutation {
 public:
 	Image * getMutated(Image* img) {
@@ -102,6 +100,7 @@ public:
 	}
 };
 
+//A 25% increase in brightness
 class Brighten : public Mutation {
 public:
 	Image * getMutated(Image* img) {