Fixed checkstyle errors: missing javadoc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_X@1054287 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math/distribution/CauchyDistributionImpl.java

@@ -322,11 +322,17 @@ public class CauchyDistributionImpl extends AbstractContinuousDistribution
         return Double.NaN;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportLowerBoundInclusive() {
         return false;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportUpperBoundInclusive() {
         return false;

src/main/java/org/apache/commons/math/distribution/ChiSquaredDistributionImpl.java

@@ -323,11 +323,17 @@ public class ChiSquaredDistributionImpl
         return 2*getDegreesOfFreedom();
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportLowerBoundInclusive() {
         return true;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean isSupportUpperBoundInclusive() {
         return false;