Fix javadoc errors

Author: rainboyan

grace-datastore-core/src/main/groovy/org/grails/datastore/mapping/query/api/Criteria.java

@@ -454,7 +454,7 @@ public interface Criteria {
     Criteria leProperty(java.lang.String propertyName, java.lang.String otherPropertyName);
 
     /**
-     * Apply an "equals" constraint to each property in the key set of a <tt>Map</tt>
+     * Apply an "equals" constraint to each property in the key set of a {@code Map}
      *
      * @param propertyValues a map from property names to values
      * @return Criterion

grace-datastore-core/src/main/groovy/org/grails/datastore/mapping/reflect/ClassPropertyFetcher.java

@@ -124,7 +124,7 @@ public Class getJavaClass() {
     }
 
     /**
-     * @Deprecated will be removed in a future version of GORM
+     * @deprecated will be removed in a future version of GORM
      */
     @Deprecated
     public Object getReference() {

grace-datastore-gorm-validation/src/main/groovy/org/grails/datastore/gorm/validation/constraints/eval/ConstraintsEvaluator.java

@@ -56,8 +56,8 @@ public interface ConstraintsEvaluator {
      * Evaluate constraints for the given class
      *
      * @param cls The class to evaluate constraints for
+     * @param defaultNullable Whether to default to allow nullable
      * @return A map of constrained properties
-     * @oaram defaultNullable Whether to default to allow nullable
      */
     Map<String, ConstrainedProperty> evaluate(@SuppressWarnings("rawtypes") Class cls, boolean defaultNullable);
 

grace-datastore-gorm/src/main/groovy/org/grails/datastore/gorm/events/DomainEventListener.java

@@ -159,7 +159,6 @@ public boolean beforeInsert(final PersistentEntity entity, final EntityAccess ea
     }
 
     public boolean beforeInsert(final PersistentEntity entity, final EntityAccess ea, PreInsertEvent event) {
-
         if (entity.isVersioned()) {
             try {
                 setVersion(ea);

grace-datastore-gorm/src/main/groovy/org/grails/datastore/gorm/query/criteria/AbstractCriteriaBuilder.java

@@ -445,7 +445,7 @@ public Criteria eq(String propertyName, Object propertyValue) {
     }
 
     /**
-     * Apply an "equals" constraint to each property in the key set of a <tt>Map</tt>
+     * Apply an "equals" constraint to each property in the key set of a {@code Map}
      *
      * @param propertyValues a map from property names to values
      *

grace-datastore-gorm/src/main/groovy/org/grails/datastore/gorm/utils/Attribute.java

@@ -36,7 +36,7 @@ class Attribute {
     byte[] value;
 
     /**
-     * The next attribute in this attribute list. May be <tt>null</tt>.
+     * The next attribute in this attribute list. May be {@code null}.
      */
     Attribute next;
 
@@ -53,7 +53,7 @@ protected Attribute(final String type) {
     /**
      * Reads a {@link #type type} attribute. This method must return a
      * <i>new</i> {@link Attribute} object, of type {@link #type type},
-     * corresponding to the <tt>len</tt> bytes starting at the given offset, in
+     * corresponding to the {@code len} bytes starting at the given offset, in
      * the given class reader.
      *
      * @param cr
@@ -76,9 +76,9 @@ protected Attribute(final String type) {
      *            containing the type and the length of the attribute, are not
      *            taken into account here.
      * @param labels
-     *            the labels of the method's code, or <tt>null</tt> if the
+     *            the labels of the method's code, or {@code null} if the
      *            attribute to be read is not a code attribute.
-     * @return a <i>new</i> {@link Attribute} object corresponding to the given
+     * @return a {@code new} {@link Attribute} object corresponding to the given
      *         bytes.
      */
     protected Attribute read(final ClassReader cr, final int off,

grace-datastore-gorm/src/main/groovy/org/grails/datastore/gorm/utils/ClassReader.java

@@ -728,9 +728,9 @@ private int getAttributes() {
      *            and the length of the attribute, are not taken into account
      *            here.
      * @param labels
-     *            the labels of the method's code, or <tt>null</tt> if the
+     *            the labels of the method's code, or {@code null} if the
      *            attribute to be read is not a code attribute.
-     * @return the attribute that has been read, or <tt>null</tt> to skip this
+     * @return the attribute that has been read, or {@code null} to skip this
      *         attribute.
      */
     private Attribute readAttribute(final Attribute[] attrs, final String type,