Prepare Spring Data 3.0 branch.

Includes the upgrade to spring-data-commons:3.0.0

Closes #1055

pom.xml

@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.data</groupId>
 	<artifactId>spring-data-relational-parent</artifactId>
-	<version>2.4.0-SNAPSHOT</version>
+	<version>3.0.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>Spring Data Relational Parent</name>
@@ -15,12 +15,12 @@
 	<parent>
 		<groupId>org.springframework.data.build</groupId>
 		<artifactId>spring-data-parent</artifactId>
-		<version>2.7.0-SNAPSHOT</version>
+		<version>3.0.0-SNAPSHOT</version>
 	</parent>
 
 	<properties>
 		<dist.id>spring-data-jdbc</dist.id>
-		<springdata.commons>2.7.0-SNAPSHOT</springdata.commons>
+		<springdata.commons>3.0.0-SNAPSHOT</springdata.commons>
 		<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
 
 		<!-- dependency versions -->