diff --git a/modules/GraphvizLayout/pom.xml b/modules/GraphvizLayout/pom.xml
index a2bb9ce6f..02cffc101 100644
--- a/modules/GraphvizLayout/pom.xml
+++ b/modules/GraphvizLayout/pom.xml
@@ -1,5 +1,7 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>gephi-plugin-parent</artifactId>
@@ -9,7 +11,7 @@
 
     <groupId>org.icculus.chunky</groupId>
     <artifactId>gephigraphviz</artifactId>
-    <version>1.0.1</version>
+  <version>1.2.0</version>
     <packaging>nbm</packaging>
 
     <name>GraphvizLayout</name>
@@ -59,6 +61,7 @@
                     <licenseFile>license.txt</licenseFile>
                     <author>Gary "ChunkyKs" Briggs</author>
                     <authorEmail>chunky@icculus.org</authorEmail>
+                    <authorUrl>https://github.com/chunky/gephi-plugins</authorUrl>
                     <sourceCodeUrl>https://github.com/chunky/gephi-plugins</sourceCodeUrl>
                     <publicPackages>
                         
@@ -68,8 +71,16 @@
             </plugin>
         </plugins>
     </build>
-    <properties>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
-    </properties>
+
+  <!-- Snapshot Repositories (only needed if developing against a SNAPSHOT version) -->
+  <repositories>
+    <repository>
+      <id>oss-sonatype</id>
+      <name>oss-sonatype</name>
+      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+    </repository>
+  </repositories>
 </project>
diff --git a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/DotProcessError.java b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/DotProcessError.java
index 6149eba3f..719844350 100644
--- a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/DotProcessError.java
+++ b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/DotProcessError.java
@@ -101,7 +101,7 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
     private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
         Desktop desktop = Desktop.getDesktop();
         try {
-            desktop.browse(new URI("http://www.graphviz.org/"));
+            desktop.browse(new URI("https://www.graphviz.org/"));
         } catch (Exception ex) {
             ex.printStackTrace();
         }
diff --git a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizLayout.java b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizLayout.java
index cf000438e..e399f9ae8 100644
--- a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizLayout.java
+++ b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizLayout.java
@@ -105,15 +105,15 @@ public void goAlgo() {
             graph.readLock();
         
             for (final Node n : this.graph.getNodes()) {
-		dotfile.append("\"").append(n.getId()).append("\"");
+                dotfile.append(n.getId());
                 dotfile.append(" [");
                 dotfile.append("pos=\"").append(n.x()).append(',').append(n.y()).append('"');
                 dotfile.append("];\n");
             }
             for (final Edge e : this.graph.getEdges()) {
-		dotfile.append("\"").append(e.getSource().getId()).append("\"");
+                dotfile.append(e.getSource().getId());
                 dotfile.append(edgearrow);
-		dotfile.append("\"").append(e.getTarget().getId()).append("\"");
+                dotfile.append(e.getTarget().getId());
                 dotfile.append(" [weight=");
                 dotfile.append(e.getWeight());
                 dotfile.append("];\n");
diff --git a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizUIPanel.java b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizUIPanel.java
index fe6b9286c..86c63ab3f 100644
--- a/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizUIPanel.java
+++ b/modules/GraphvizLayout/src/main/java/org/icculus/chunky/gephigraphviz/GraphvizUIPanel.java
@@ -36,7 +36,7 @@
  */
 public class GraphvizUIPanel extends javax.swing.JPanel {
 
-    GraphvizLayout gvl = null;
+    transient GraphvizLayout gvl = null;
     
     /** Creates new form GraphvizUIPanel */
     public GraphvizUIPanel(GraphvizLayout gvl) {
@@ -62,24 +62,20 @@ private void initComponents() {
 
         jButton1 = new javax.swing.JButton();
         jLabel1 = new javax.swing.JLabel();
-        algoCombo = new javax.swing.JComboBox();
+        algoCombo = new javax.swing.JComboBox<String>();
         jLabel2 = new javax.swing.JLabel();
-        rankdirCombo = new javax.swing.JComboBox();
+        rankdirCombo = new javax.swing.JComboBox<String>();
         jLabel4 = new javax.swing.JLabel();
         concentrateCheck = new javax.swing.JCheckBox();
         jLabel5 = new javax.swing.JLabel();
-        overlapCombo = new javax.swing.JComboBox();
+        overlapCombo = new javax.swing.JComboBox<String>();
         jLabel3 = new javax.swing.JLabel();
         dotBinary = new javax.swing.JTextField();
 
         setLayout(new java.awt.GridBagLayout());
 
         jButton1.setText(org.openide.util.NbBundle.getMessage(GraphvizUIPanel.class, "GraphvizUIPanel.jButton1.text")); // NOI18N
-        jButton1.addActionListener(new java.awt.event.ActionListener() {
-            public void actionPerformed(java.awt.event.ActionEvent evt) {
-                jButton1ActionPerformed(evt);
-            }
-        });
+        jButton1.addActionListener(evt -> jButton1ActionPerformed(evt));
         gridBagConstraints = new java.awt.GridBagConstraints();
         gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
         gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
@@ -174,6 +170,8 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
             public void keyTyped(java.awt.event.KeyEvent evt) {
                 dotBinaryKeyTyped(evt);
             }
+
+            @Override
             public void keyReleased(java.awt.event.KeyEvent evt) {
                 dotBinaryKeyReleased(evt);
             }