add java-promise.jar

Author: hackingwu

bin/java-promise.jar

@@ -15,6 +15,20 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <build>
+        <finalName>java-promise</finalName>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>