Use a -2 suffix in H2's JDBC URLs to indicate H2 2.0

This avoids incompatibilities with files that might be lying around from
H2 1.4

jOOQ-examples/jOOQ-flyway-example/pom.xml

@@ -24,7 +24,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <org.springframework.version>3.2.6.RELEASE</org.springframework.version>
 
-        <db.url>jdbc:h2:~/flyway-test</db.url>
+        <db.url>jdbc:h2:~/jooq-flyway-example-2</db.url>
         <db.username>sa</db.username>
     </properties>
 

jOOQ-examples/jOOQ-flyway-example/src/test/java/org/jooq/example/flyway/AfterMigrationTestJava.java

@@ -20,7 +20,7 @@ public class AfterMigrationTestJava {
 
     @Test
     public void testQueryingAfterMigration() throws Exception {
-        try (Connection c = DriverManager.getConnection("jdbc:h2:~/flyway-test", "sa", "")) {
+        try (Connection c = DriverManager.getConnection("jdbc:h2:~/jooq-flyway-example-2", "sa", "")) {
             Result<?> result =
             DSL.using(c)
                 .select(

jOOQ-examples/jOOQ-javafx-example/src/main/resources/config.properties

@@ -1,6 +1,6 @@
 #Database Configuration
 db.driver=org.h2.Driver
-db.url=jdbc:h2:~/jooq-javafx-example
+db.url=jdbc:h2:~/jooq-javafx-example-2
 db.username=sa
 db.password=
 

jOOQ-examples/jOOQ-kotlin-example/src/main/resources/config.properties

@@ -1,6 +1,6 @@
 #Database Configuration
 db.driver=org.h2.Driver
-db.url=jdbc:h2:~/jooq-kotlin-example
+db.url=jdbc:h2:~/jooq-kotlin-example-2
 db.username=sa
 db.password=
 

jOOQ-examples/jOOQ-spark-example/src/main/resources/config.properties

@@ -1,6 +1,6 @@
 #Database Configuration
 db.driver=org.h2.Driver
-db.url=jdbc:h2:~/jooq-spark-example
+db.url=jdbc:h2:~/jooq-spark-example-2
 db.username=sa
 db.password=
 

jOOQ-examples/jOOQ-spring-boot-example/src/main/resources/application.properties

@@ -1,6 +1,6 @@
 #Database Configuration
 spring.datasource.driverClassName=org.h2.Driver
-spring.datasource.url=jdbc:h2:~/jooq-spring-boot-example
+spring.datasource.url=jdbc:h2:~/jooq-spring-boot-example-2
 spring.datasource.username=sa
 spring.datasource.password=
 

jOOQ-examples/jOOQ-spring-example/src/main/resources/config.properties

@@ -1,6 +1,6 @@
 #Database Configuration
 db.driver=org.h2.Driver
-db.url=jdbc:h2:~/jooq-spring-example
+db.url=jdbc:h2:~/jooq-spring-example-2
 db.username=sa
 db.password=