Fix the maven-release-plugin arg (#92)

Author: ruhan1

pom.xml

@@ -311,7 +311,7 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
                 <configuration>
-                    <arguments>$(arguments)</arguments>
+                    <arguments>${arguments}</arguments>
                 </configuration>
             </plugin>
         </plugins>