Merge pull request #18 from suganyasuven/dependency-fix-1

Fix permission denied error when pulling new version

src/main/java/org/ballerinalang/command/util/ToolUtil.java

@@ -531,6 +531,8 @@ private static void downloadAndSetupDependency(HttpURLConnection conn, PrintStre
         zipFile = Paths.get(zipFileLocation).toFile();
         downloadFile(conn, zipFileLocation, dependency, printStream);
         unzip(zipFileLocation, dependencyLocation);
+        addExecutablePermissionToFile(new File(dependencyLocation + File.separator + dependency
+                + File.separator + "bin" + File.separator + "java"));
         if (zipFile.exists()) {
             zipFile.delete();
         }