Add local copy of unreleased library javaslang-render

javaslang-render is a rendering library from the javaslang-project. It can help with drawing ASTs.

Currently there is no release of javaslang-render, therefore a binary jar was built and added to src/main/resources.

pom.xml

@@ -24,16 +24,34 @@
          <artifactId>jcommander</artifactId>
          <version>1.58</version>
       </dependency>
+
       <dependency>
          <groupId>com.github.vbmacher</groupId>
          <artifactId>java-cup-runtime</artifactId>
          <version>11b-20160615</version>
       </dependency>
+
       <dependency>
          <groupId>org.apache.commons</groupId>
          <artifactId>commons-lang3</artifactId>
          <version>3.4</version>
       </dependency>
+
+      <dependency>
+         <groupId>io.javaslang</groupId>
+         <artifactId>javaslang</artifactId>
+         <version>2.0.4</version>
+      </dependency>
+
+      <dependency>
+         <groupId>io.javaslang</groupId>
+         <artifactId>javaslang-render</artifactId>
+         <version>2.0.0-SNAPSHOT</version>
+         <scope>system</scope>
+         <systemPath>
+            ${project.basedir}/src/main/resources/javaslang-render.jar
+         </systemPath>
+      </dependency>
    </dependencies>
 
    <build>