modify classpath add libs

Author: Liuchy1

.classpath

@@ -14,5 +14,7 @@
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="lib" path="libs/log4j-1.2.17.jar"/>
 	<classpathentry kind="lib" path="libs/slf4j-log4j12-1.7.7.jar"/>
+	<classpathentry kind="lib" path="libs/slf4j-api-1.7.7.jar"/>
+	<classpathentry kind="lib" path="libs/gson-2.2.4.jar"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>