Address Mark's feedback. Adjust file separators

Author: sameagen-MW

src/main/java/com/mathworks/ci/actions/RunMatlabBuildAction.java

@@ -85,13 +85,14 @@ public void run() throws IOException, InterruptedException, MatlabExecutionExcep
 
         // Handle build result
         Run<?,?> build = this.params.getBuild();
-        FilePath jsonFile = new FilePath(params.getWorkspace(), ".matlab/buildArtifact.json");
+        FilePath jsonFile = new FilePath(params.getWorkspace(), ".matlab" + File.separator + "buildArtifact.json");
         if (jsonFile.exists()) {
             FilePath rootLocation = new FilePath(
                     new File(
                         build.getRootDir()
                         .getAbsolutePath()
-                        + "/buildArtifact.json"));
+                        + File.separator
+                        + "buildArtifact.json"));
             jsonFile.copyTo(rootLocation);
             jsonFile.delete();
             build.addAction(new BuildArtifactAction(build, this.params.getWorkspace()));

src/main/java/com/mathworks/ci/actions/RunMatlabTestsAction.java

@@ -54,7 +54,7 @@ public void run() throws IOException, InterruptedException, MatlabExecutionExcep
     }
 
     private String singleQuotify(String in) {
-        return "'" + in + "'";
+        return "'" + in.replace("'", "''") + "'";
     }
 
     // Concatenate the input arguments, try to keep this function as

src/main/java/com/mathworks/ci/freestyle/RunMatlabTestsBuilder.java

@@ -204,7 +204,7 @@ public SelectByTag getSelectByTag() {
     	return this.selectByTag;
     }
 
-    public String getSelectByTagPath() {
+    public String getSelectByTagAsString() {
         return this.selectByTag == null
             ? null
             : selectByTag.getTestTag();
@@ -381,7 +381,7 @@ public void perform(@Nonnull Run<?, ?> build, @Nonnull FilePath workspace,
                 this.getCoberturaReportFilePath(),
                 this.getStmResultsFilePath(),
                 this.getModelCoverageFilePath(),
-                this.getSelectByTagPath(),
+                this.getSelectByTagAsString(),
                 this.getLoggingLevel(),
                 this.getOutputDetail(),
                 this.getUseParallel(),