fix javadoc errors

Author: hjacobs

src/main/java/de/zalando/sprocwrapper/globalvaluetransformer/ReflectionUtils.java

@@ -19,7 +19,6 @@ public class ReflectionUtils {
      *
      * @param   clazz       the class to introspect
      * @param   name        the name of the method
-     * @param   paramTypes  the parameter types of the method (may be <code>null</code> to indicate any signature)
      *
      * @return  the Method object, or <code>null</code> if none found
      */

src/main/java/de/zalando/typemapper/core/fieldMapper/NullListFieldMapper.java

@@ -1,7 +1,7 @@
 package de.zalando.typemapper.core.fieldMapper;
 
 /**
- * sentinel mapper for NULL fields returned from database for List<?> mappings to avoid "Could not find mapper for type
+ * sentinel mapper for NULL fields returned from database for List&lt;?&gt; mappings to avoid "Could not find mapper for type
  * java.util.List" exceptions.
  *
  * @author  hjacobs

src/main/java/de/zalando/typemapper/core/fieldMapper/NullSetFieldMapper.java

@@ -1,7 +1,7 @@
 package de.zalando.typemapper.core.fieldMapper;
 
 /**
- * sentinel mapper for NULL fields returned from database for Set<?> mappings to avoid "Could not find mapper for type
+ * sentinel mapper for NULL fields returned from database for Set&lt;?&gt; mappings to avoid "Could not find mapper for type
  * java.util.Set" exceptions.
  *
  * @author  carsten.wolters