Test git functionality
##To test:
- Connect git to github (check)
- Clone from remote to local repository (check, not clone but pull)
- Puch from local to remote (check)
- Use credentialling helper for HTTPS connection to github (check)
- Commit from RStudio (check)
- Puch from RStudio (Push/Pull buttons greyed from GUI, check from shell)
- Save credential from RStudio (check)
- Delete local repository and clone afresh from remote (check)