Fixed more Sonar issues

Author: jimbethancourt

effort-ranker/src/main/java/org/hjug/metrics/PMDGodClassRuleRunner.java

@@ -42,8 +42,8 @@ public Optional<GodClass> runPMD(File file) {
         FileInputStream fis = null;
         try {
             fis = new FileInputStream(file);
-        } catch (FileNotFoundException e) {
-            e.printStackTrace();
+        } catch (FileNotFoundException ignore) {
+            //ignore
         }
 
         return runPMD(file.getName(), fis);

refactor-first-maven-plugin/src/main/java/org/hjug/mavenreport/RefactorFirstMavenReport.java

@@ -285,13 +285,13 @@ private void generateChart(GraphDataGenerator graphDataGenerator, Sink mainSink)
         try {
             scriptFile.createNewFile();
         } catch (IOException e) {
-            e.printStackTrace();
+            getLog().error("Failure creating chart script file", e);
         }
 
         try(BufferedWriter writer = new BufferedWriter(new FileWriter(scriptFile))) {
             writer.write(javascriptCode);
         } catch (IOException e) {
-            e.printStackTrace();
+            getLog().error("Error writing chart script file",e);
         }
 
         SinkEventAttributeSet javascript = new SinkEventAttributeSet();