Solved Nodejs prerequisite check

[ansuzgs]

All Submissions:

• Have you followed the guidelines stated in CONTRIBUTING.md file?
• Have you checked to ensure there aren't any other open Pull Requests for the desired changed?

Type of change

• Bug fix (non-breaking change which fixes an issue)

After these steps, you're ready to open a pull request.

a. Give a descriptive title to your PR.

Update the install_node() function to check if it was already installed.

b. Describe your changes.

I used the check_node_version() as a condition to check if node was already installed and the version was greater than the required one.

c. Put `closes #XXXX` in your comment to auto-close the issue that your PR fixes (if such).

closes #2752

[picklelo]

works well for me, thanks for adding!