Merge pull request #212 in DESIGN/design from ~RICHIE/design:release/10.0 to release/10.0

* commit 'd1420be68f2d152fe29a9089005bebf0fd48a4d7':
  无JIRA任务 增加设计器的单独的语言等级配置

pom.xml

@@ -21,4 +21,16 @@
     <artifactId>design</artifactId>
     <version>10.0-RELEASE-SNAPSHOT</version>
     <packaging>pom</packaging>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>