DATAJPA-132 - Implemented handling of True and False keywords on query creation.

Query derivation mechanism now supports True and False as keywords in finder methods:

class User {
  boolean active;
}

interface UserRepository<User, Long> {
  List<User> findByActiveTrue() ;
}

src/docbkx/reference/jpa.xml

@@ -271,6 +271,22 @@
 
                 <entry><code>… where x.age not in ?1</code></entry>
               </row>
+
+              <row>
+                <entry><code>True</code></entry>
+
+                <entry><code>findByActiveTrue()</code></entry>
+
+                <entry><code>… where x.active = true</code></entry>
+              </row>
+
+              <row>
+                <entry><code>False</code></entry>
+
+                <entry><code>findByActiveFalse()</code></entry>
+
+                <entry><code>… where x.active = false</code></entry>
+              </row>
             </tbody>
           </tgroup>
         </table><note>