Update documentation, improve readability of code

No functional changes have been made, new build not required

src/main/java/org/baxter/disco/ocr/Cli.java

@@ -7,7 +7,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Scanner;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.TimeUnit;
 
 /**
  * CLI for the Fixture.

src/main/java/org/baxter/disco/ocr/Cycle.java

@@ -76,8 +76,6 @@ public class Cycle
      * @param cameraName    Name of the camera associated with the image and value
      * @param image         File object denoting the location of the image from the camera
      * @param parsedValue   Double of the value generated by Tesseract from the image
-     *
-     * @return true if saved successfully, else false.
      */
     public void addCamera(String cameraName, File image, Double parsedValue)
     { this.cycleValues.put(cameraName,new Pair<File,Double>(image, parsedValue)); }