修改本地jar包路径描述，避免marven编译Warning

pom.xml

@@ -131,7 +131,7 @@
 			<artifactId>jain-sip-ri</artifactId>
 			<version>1.3.0-92</version>
 			<scope>system</scope>
-			<systemPath>${project.basedir}/libs/jain-sip-ri-1.3.0-92.jar</systemPath>
+			<systemPath>${pom.basedir}/libs/jain-sip-ri-1.3.0-92.jar</systemPath>
 		</dependency>
 		<dependency>
 			<groupId>log4j</groupId>
@@ -141,7 +141,7 @@
 
 		<!-- xml解析库 -->
 		<dependency>
-				<groupId>org.dom4j</groupId>
+			<groupId>org.dom4j</groupId>
 			<artifactId>dom4j</artifactId>
 			<version>2.1.3</version>
 		</dependency>