Ease Migration to Spring Data Ingalls

Fixes gh-438

core/src/main/java/org/springframework/ldap/repository/support/LdapRepositoryFactoryBean.java

@@ -33,6 +33,12 @@ import javax.naming.Name;
 public class LdapRepositoryFactoryBean<T extends Repository<S, Name>, S> extends RepositoryFactoryBeanSupport<T, S, Name> {
     private LdapOperations ldapOperations;
 
+    public LdapRepositoryFactoryBean() {}
+
+    public LdapRepositoryFactoryBean(Class<? extends T> clazz) {
+        super(clazz);
+    }
+
     public void setLdapOperations(LdapOperations ldapOperations) {
         this.ldapOperations = ldapOperations;
     }

gradle/java.gradle

@@ -6,7 +6,7 @@ targetCompatibility = '1.6'
 
 ext.apacheDsVersion = '1.5.5'
 ext.springVersion = '4.3.4.RELEASE'
-ext.springDataVersion = '1.12.5.RELEASE'
+ext.springDataVersion = '1.12.6.BUILD-SNAPSHOT'
 ext.springDataSpring3Version = '1.10.2.RELEASE'
 ext.springBatchVersion = '2.0.4.RELEASE'
 ext.junitVersion =  '4.12'