Move JDBC qualifier annotations to shared package

Closes gh-909

Author: vpavic

spring-session-jdbc/src/main/java/org/springframework/session/jdbc/config/annotation/web/http/SpringSessionDataSource.java renamed to spring-session-jdbc/src/main/java/org/springframework/session/jdbc/config/annotation/SpringSessionDataSource.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.session.jdbc.config.annotation.web.http;
+package org.springframework.session.jdbc.config.annotation;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;

spring-session-jdbc/src/main/java/org/springframework/session/jdbc/config/annotation/web/http/JdbcHttpSessionConfiguration.java

@@ -41,6 +41,7 @@
 import org.springframework.session.MapSession;
 import org.springframework.session.config.annotation.web.http.SpringHttpSessionConfiguration;
 import org.springframework.session.jdbc.JdbcOperationsSessionRepository;
+import org.springframework.session.jdbc.config.annotation.SpringSessionDataSource;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.util.StringUtils;
 import org.springframework.util.StringValueResolver;

spring-session-jdbc/src/test/java/org/springframework/session/jdbc/config/annotation/web/http/JdbcHttpSessionConfigurationTests.java

@@ -34,6 +34,7 @@
 import org.springframework.jdbc.support.lob.LobHandler;
 import org.springframework.mock.env.MockEnvironment;
 import org.springframework.session.jdbc.JdbcOperationsSessionRepository;
+import org.springframework.session.jdbc.config.annotation.SpringSessionDataSource;
 import org.springframework.test.util.ReflectionTestUtils;
 import org.springframework.transaction.PlatformTransactionManager;