Make the version of javadoc on travis happy.

Author: James Hagborg

build.gradle

@@ -39,5 +39,6 @@ artifacts {
 // By default, checkstyle wants to look at tests
 // we override to only look at the main code
 checkstyle {
+    toolVersion = '6.11.2'
     sourceSets = [project.sourceSets.main]
 }

src/main/java/org/usfirst/frc/team69/util/HYPERRobot.java

@@ -22,6 +22,7 @@ public abstract class HYPERRobot extends IterativeRobot {
      *  <li>"Helper classes" which depend on subsystems but have commands which
      *  depend on them (like UserDrive and Vision in hypercode)</li>
      *  <li>Commands, including autonomous commands and commands on the OI</li>
+     * </ul>
      */
     @Override
     public void robotInit() {

src/main/java/org/usfirst/frc/team69/util/oi/MapJoystick.java

@@ -28,11 +28,13 @@
 public @interface MapJoystick {
     /**
      * The port the joystick is connected to.
+     * @return The port the joystick is connected to.
      */
     int port();
 
     /**
      * The role the joystick serves, e.g. right driver, left operator, etc.
+     * @return The role the joystick serves.
      * @see OI#leftDriver()
      * @see OI#rightDriver()
      * @see OI#leftOperator()
@@ -43,6 +45,7 @@
     /**
      * The physical model of joystick used.  This determines how the
      * diagrams are mapped, and what button numbers are allowed.
+     * @return The type of the joystick.
      */
     Type type();
 

src/main/java/org/usfirst/frc/team69/util/oi/WhenPressed.java

@@ -17,6 +17,7 @@
 public @interface WhenPressed {
     /**
      * The number of the button (starting at 1) to bind to
+     * @return The number of the button.
      */
     int value();
 }

src/main/java/org/usfirst/frc/team69/util/oi/WhenReleased.java

@@ -17,6 +17,7 @@
 public @interface WhenReleased {
     /**
      * The number of the button (starting at 1) to bind to
+     * @return The number of the button.
      */
     int value();
 }

src/main/java/org/usfirst/frc/team69/util/oi/WhileHeld.java

@@ -17,6 +17,7 @@
 public @interface WhileHeld {
     /**
      * The number of the button (starting at 1) to bind to
+     * @return The number of the button.
      */
     int value();
 }

src/main/java/org/usfirst/frc/team69/util/port/Port.java

@@ -33,6 +33,7 @@ public enum Type {
 
     /**
      * The type of port used on the RIO
+     * @return the type of the port
      */
     public Type type();
 }