1) Added file submitting-jobs.md and added an intro to it. 2) Added Jupyter Notebook Example for Batch script samples

Finalized about-star.md and added hardware info table. Added some links and made some minor changes to some sentences in quickstart.md

Renamed folders 'help' to 'getting-help' and 'quickstart' to 'getting-started' and removed 'Services' from 'about-star.md'

- Reworded language in writing-support-requests.md
- Updated the SSH fingerprint on the FAQ page
- Other minor changes

        deleted:    account/account.md
        deleted:    account/accounting.rst
        deleted:    account/login.rst
        deleted:    account/uitquota.rst
        modified:   help/contact.md
        modified:   help/faq.md
        deleted:    help/hpc-qa-sessions.md
        modified:   help/rtfm.png
        deleted:    help/staff.md
        modified:   help/writing-support-requests.md
        modified:   jobs/README.md
        modified:   quickstart/about-star.md
        modified:   quickstart/quickstart.md

modified: quickstart/about-star.md -> moved everything under the overview section and got rid of the introduction section. Also made some slight changes to the wording of the paragraphs

moified: quickstart/about-star.md -> added Overview subsection and simplified and summarized the previous text

added: about-star.md and the Introduction content.
renamed: Star folder to 'Getting Started' and moved quickstart.md under it.